Home / 8,789.04-12,132.39-5,251.59

Finding the Fourth Proportional to 8,789.04, 12,132.39 and 5,251.59

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Solution

The fourth proportional to 8,789.04, 12,132.39 and 5,251.59 is: 7,249.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.04 : 12,132.39 = 5,251.59 : x
  2. Step 2: Convert to fraction form
    8,789.04/12,132.39 = 5,251.59/x
  3. Step 3: Cross multiply
    8,789.04x = 12,132.39 × 5,251.59
  4. Step 4: Simplify right side
    8,789.04x = 63,714,338.00
  5. Step 5: Solve for x
    x = 63,714,338.00/8,789.04
  6. Step 6: Final answer
    x = 7,249.29

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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.