Home / 8,251.67-11,387.91-4,714.81

Finding the Fourth Proportional to 8,251.67, 11,387.91 and 4,714.81

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Solution

The fourth proportional to 8,251.67, 11,387.91 and 4,714.81 is: 6,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.67 : 11,387.91 = 4,714.81 : x
  2. Step 2: Convert to fraction form
    8,251.67/11,387.91 = 4,714.81/x
  3. Step 3: Cross multiply
    8,251.67x = 11,387.91 × 4,714.81
  4. Step 4: Simplify right side
    8,251.67x = 53,691,775.01
  5. Step 5: Solve for x
    x = 53,691,775.01/8,251.67
  6. Step 6: Final answer
    x = 6,506.78

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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.