The arithmetic sequence is 4, 7, 10, 13, . . . .
\To find the common difference by subtracting successive terms.
\
So, the common difference is 3.
Add 3 to the last term of the sequence to get the next term.
\
The next three terms in the sequence are 16, 19 and 22.
The next three terms in the sequence are 16, 19 and 22.