Finding the Fourth Proportional to 6,992.18, 10,488.27 and 5,756.99
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Solution
The fourth proportional to 6,992.18, 10,488.27 and 5,756.99 is: 8,635.49
Step by Step Solution
- Step 1: Write the proportion equation
6,992.18 : 10,488.27 = 5,756.99 : x - Step 2: Convert to fraction form
6,992.18/10,488.27 = 5,756.99/x - Step 3: Cross multiply
6,992.18x = 10,488.27 × 5,756.99 - Step 4: Simplify right side
6,992.18x = 60,380,836.72 - Step 5: Solve for x
x = 60,380,836.72/6,992.18 - Step 6: Final answer
x = 8,635.49
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Similar ratio
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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.