Home / 8,600.38-11,870.85-5,064.73

Finding the Fourth Proportional to 8,600.38, 11,870.85 and 5,064.73

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Solution

The fourth proportional to 8,600.38, 11,870.85 and 5,064.73 is: 6,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.38 : 11,870.85 = 5,064.73 : x
  2. Step 2: Convert to fraction form
    8,600.38/11,870.85 = 5,064.73/x
  3. Step 3: Cross multiply
    8,600.38x = 11,870.85 × 5,064.73
  4. Step 4: Simplify right side
    8,600.38x = 60,122,639.44
  5. Step 5: Solve for x
    x = 60,122,639.44/8,600.38
  6. Step 6: Final answer
    x = 6,990.70

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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.