Finding the Fourth Proportional to 7,731.44, 11,592.74 and 2,465.44
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Solution
The fourth proportional to 7,731.44, 11,592.74 and 2,465.44 is: 3,696.75
Step by Step Solution
- Step 1: Write the proportion equation
7,731.44 : 11,592.74 = 2,465.44 : x - Step 2: Convert to fraction form
7,731.44/11,592.74 = 2,465.44/x - Step 3: Cross multiply
7,731.44x = 11,592.74 × 2,465.44 - Step 4: Simplify right side
7,731.44x = 28,581,204.91 - Step 5: Solve for x
x = 28,581,204.91/7,731.44 - Step 6: Final answer
x = 3,696.75
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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.