Finding the Fourth Proportional to 10,620, 15,930 and 4,464
Calculator
Solution
The fourth proportional to 10,620, 15,930 and 4,464 is: 6,696
Step by Step Solution
- Step 1: Write the proportion equation
10,620 : 15,930 = 4,464 : x - Step 2: Convert to fraction form
10,620/15,930 = 4,464/x - Step 3: Cross multiply
10,620x = 15,930 × 4,464 - Step 4: Simplify right side
10,620x = 71,111,520 - Step 5: Solve for x
x = 71,111,520/10,620 - Step 6: Final answer
x = 6,696
Related Problems
Find fourth proportional to 5,310, 7,965 and 2,232
Half scale
Find fourth proportional to 21,240, 31,860 and 8,928
Double scale
Find fourth proportional to 10,621, 15,931.50 and 4,465
Similar ratio
Find fourth proportional to 15,930, 23,895 and 6,696
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.