Home / 8,861.39-12,229.44-4,882.87

Finding the Fourth Proportional to 8,861.39, 12,229.44 and 4,882.87

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Solution

The fourth proportional to 8,861.39, 12,229.44 and 4,882.87 is: 6,738.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.39 : 12,229.44 = 4,882.87 : x
  2. Step 2: Convert to fraction form
    8,861.39/12,229.44 = 4,882.87/x
  3. Step 3: Cross multiply
    8,861.39x = 12,229.44 × 4,882.87
  4. Step 4: Simplify right side
    8,861.39x = 59,714,765.69
  5. Step 5: Solve for x
    x = 59,714,765.69/8,861.39
  6. Step 6: Final answer
    x = 6,738.76

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Half 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.