Home / 8,781.67-12,122.31-5,952.92

Finding the Fourth Proportional to 8,781.67, 12,122.31 and 5,952.92

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Solution

The fourth proportional to 8,781.67, 12,122.31 and 5,952.92 is: 8,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781.67 : 12,122.31 = 5,952.92 : x
  2. Step 2: Convert to fraction form
    8,781.67/12,122.31 = 5,952.92/x
  3. Step 3: Cross multiply
    8,781.67x = 12,122.31 × 5,952.92
  4. Step 4: Simplify right side
    8,781.67x = 72,163,218.35
  5. Step 5: Solve for x
    x = 72,163,218.35/8,781.67
  6. Step 6: Final answer
    x = 8,217.48

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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.