4 US dry pints in imperial pints
Result
The conversion result is: 4 US dry pints is equivalent to 3.8757558876837 imperial pints.[1]
Conversion formula
How to convert 4 US dry pints to imperial pints?
We know (by definition) that: 1 drypint ≈ 0.968938971920925 imperialpint.
We can set up a proportion to solve for the number of imperial pints.
1 drypint / 4 drypint ≈ 0.968938971920925 imperialpint / x imperialpint
Now, we cross multiply to solve for our unknown x:
x imperialpint ≈ (4 drypint / 1 drypint) * 0.968938971920925 imperialpint → x imperialpint ≈ 3.8757558876837 imperialpint
Conclusion:
4 drypint ≈ 3.8757558876837 imperialpint

Conversion in the opposite direction
The inverse of the conversion factor is that 1 imperial pint is equal to 0.258014185872175 times 4 US dry pints.
It can also be expressed as: 4 US dry pints is equal to 1 / 0.258014185872175 imperial pints.
Approximation
An approximate numerical result would be: four US dry pints is about three point eight seven imperial pints, or alternatively, a imperial pint is about zero point two six times four US dry pints.
Footnotes
[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).
Results may contain small errors due to the use of floating point arithmetic.