Home / 8,711.28-13,067.83-5,768.85

Finding the Fourth Proportional to 8,711.28, 13,067.83 and 5,768.85

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Solution

The fourth proportional to 8,711.28, 13,067.83 and 5,768.85 is: 8,653.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.28 : 13,067.83 = 5,768.85 : x
  2. Step 2: Convert to fraction form
    8,711.28/13,067.83 = 5,768.85/x
  3. Step 3: Cross multiply
    8,711.28x = 13,067.83 × 5,768.85
  4. Step 4: Simplify right side
    8,711.28x = 75,386,407.31
  5. Step 5: Solve for x
    x = 75,386,407.31/8,711.28
  6. Step 6: Final answer
    x = 8,653.88

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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.