Home / 7,524.41-11,279.27-3,143.12

Finding the Fourth Proportional to 7,524.41, 11,279.27 and 3,143.12

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Solution

The fourth proportional to 7,524.41, 11,279.27 and 3,143.12 is: 4,711.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,524.41 : 11,279.27 = 3,143.12 : x
  2. Step 2: Convert to fraction form
    7,524.41/11,279.27 = 3,143.12/x
  3. Step 3: Cross multiply
    7,524.41x = 11,279.27 × 3,143.12
  4. Step 4: Simplify right side
    7,524.41x = 35,452,027.01
  5. Step 5: Solve for x
    x = 35,452,027.01/7,524.41
  6. Step 6: Final answer
    x = 4,711.61

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.