# What is the common ratio of the geometric sequence 7, 28, 112,...?

##### 1 Answer

Sep 19, 2014

The common ratio for this problem is 4.

The common ratio is a factor that when multiplied by the current term results in the next term.

**First term:**

**Second term:**

**Third term:**

**Fourth term:**

This geometric sequence can be further described by the equation:

So if you want to find the **4th term** ,

Note:

where