Finding the Fourth Proportional to 7,328, 10,992 and 1,856
Calculator
Solution
The fourth proportional to 7,328, 10,992 and 1,856 is: 2,784
Step by Step Solution
- Step 1: Write the proportion equation
7,328 : 10,992 = 1,856 : x - Step 2: Convert to fraction form
7,328/10,992 = 1,856/x - Step 3: Cross multiply
7,328x = 10,992 × 1,856 - Step 4: Simplify right side
7,328x = 20,401,152 - Step 5: Solve for x
x = 20,401,152/7,328 - Step 6: Final answer
x = 2,784
Related Problems
Find fourth proportional to 3,664, 5,496 and 928
Half scale
Find fourth proportional to 14,656, 21,984 and 3,712
Double scale
Find fourth proportional to 7,329, 10,993.50 and 1,857
Similar ratio
Find fourth proportional to 10,992, 16,488 and 2,784
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.