Home / 8,052.50-12,078.76-2,858.52

Finding the Fourth Proportional to 8,052.50, 12,078.76 and 2,858.52

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Solution

The fourth proportional to 8,052.50, 12,078.76 and 2,858.52 is: 4,287.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,052.50 : 12,078.76 = 2,858.52 : x
  2. Step 2: Convert to fraction form
    8,052.50/12,078.76 = 2,858.52/x
  3. Step 3: Cross multiply
    8,052.50x = 12,078.76 × 2,858.52
  4. Step 4: Simplify right side
    8,052.50x = 34,527,377.04
  5. Step 5: Solve for x
    x = 34,527,377.04/8,052.50
  6. Step 6: Final answer
    x = 4,287.78

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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.