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Finding the Fourth Proportional to 9,375.47, 14,047.39 and 5,666.39

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Solution

The fourth proportional to 9,375.47, 14,047.39 and 5,666.39 is: 8,490.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,375.47 : 14,047.39 = 5,666.39 : x
  2. Step 2: Convert to fraction form
    9,375.47/14,047.39 = 5,666.39/x
  3. Step 3: Cross multiply
    9,375.47x = 14,047.39 × 5,666.39
  4. Step 4: Simplify right side
    9,375.47x = 79,597,891.65
  5. Step 5: Solve for x
    x = 79,597,891.65/9,375.47
  6. Step 6: Final answer
    x = 8,490.02

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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.