Home / 8,213.31-11,335.68-4,677.66

Finding the Fourth Proportional to 8,213.31, 11,335.68 and 4,677.66

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Solution

The fourth proportional to 8,213.31, 11,335.68 and 4,677.66 is: 6,455.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.31 : 11,335.68 = 4,677.66 : x
  2. Step 2: Convert to fraction form
    8,213.31/11,335.68 = 4,677.66/x
  3. Step 3: Cross multiply
    8,213.31x = 11,335.68 × 4,677.66
  4. Step 4: Simplify right side
    8,213.31x = 53,024,456.91
  5. Step 5: Solve for x
    x = 53,024,456.91/8,213.31
  6. Step 6: Final answer
    x = 6,455.92

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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.