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Finding the Fourth Proportional to 7,483.52, 10,337.76 and 7,089.92

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Solution

The fourth proportional to 7,483.52, 10,337.76 and 7,089.92 is: 9,794.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,483.52 : 10,337.76 = 7,089.92 : x
  2. Step 2: Convert to fraction form
    7,483.52/10,337.76 = 7,089.92/x
  3. Step 3: Cross multiply
    7,483.52x = 10,337.76 × 7,089.92
  4. Step 4: Simplify right side
    7,483.52x = 73,293,891.38
  5. Step 5: Solve for x
    x = 73,293,891.38/7,483.52
  6. Step 6: Final answer
    x = 9,794.04

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.