Finding the Fourth Proportional to 7,546.11, 11,299.80 and 7,324.48
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Solution
The fourth proportional to 7,546.11, 11,299.80 and 7,324.48 is: 10,967.92
Step by Step Solution
- Step 1: Write the proportion equation
7,546.11 : 11,299.80 = 7,324.48 : x - Step 2: Convert to fraction form
7,546.11/11,299.80 = 7,324.48/x - Step 3: Cross multiply
7,546.11x = 11,299.80 × 7,324.48 - Step 4: Simplify right side
7,546.11x = 82,765,137.13 - Step 5: Solve for x
x = 82,765,137.13/7,546.11 - Step 6: Final answer
x = 10,967.92
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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.