Question

Find the common ratio for the geometric sequence with the given information.
ai = 4374; a4 = 162
3
1/3
1/4
3/2

Answer 1

I think you mean a1, not ai.
a_4 = a_1r^(4-1)
162 = 4374r^3
r^3 = 27
r = 3

Answer 2

Thxxx bbbbbbb. Bbbbb