Home / 7,527.52-10,389.20-7,195.28

Finding the Fourth Proportional to 7,527.52, 10,389.20 and 7,195.28

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Solution

The fourth proportional to 7,527.52, 10,389.20 and 7,195.28 is: 9,930.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.52 : 10,389.20 = 7,195.28 : x
  2. Step 2: Convert to fraction form
    7,527.52/10,389.20 = 7,195.28/x
  3. Step 3: Cross multiply
    7,527.52x = 10,389.20 × 7,195.28
  4. Step 4: Simplify right side
    7,527.52x = 74,753,202.98
  5. Step 5: Solve for x
    x = 74,753,202.98/7,527.52
  6. Step 6: Final answer
    x = 9,930.65

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Half scale
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Double scale
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Similar ratio
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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.