Home / 7,590.30-11,385.45-7,298.70

Finding the Fourth Proportional to 7,590.30, 11,385.45 and 7,298.70

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Solution

The fourth proportional to 7,590.30, 11,385.45 and 7,298.70 is: 10,948.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.30 : 11,385.45 = 7,298.70 : x
  2. Step 2: Convert to fraction form
    7,590.30/11,385.45 = 7,298.70/x
  3. Step 3: Cross multiply
    7,590.30x = 11,385.45 × 7,298.70
  4. Step 4: Simplify right side
    7,590.30x = 83,098,983.92
  5. Step 5: Solve for x
    x = 83,098,983.92/7,590.30
  6. Step 6: Final answer
    x = 10,948.05

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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.