Home / 8,862.62-12,231.77-6,734.70

Finding the Fourth Proportional to 8,862.62, 12,231.77 and 6,734.70

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Solution

The fourth proportional to 8,862.62, 12,231.77 and 6,734.70 is: 9,294.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.62 : 12,231.77 = 6,734.70 : x
  2. Step 2: Convert to fraction form
    8,862.62/12,231.77 = 6,734.70/x
  3. Step 3: Cross multiply
    8,862.62x = 12,231.77 × 6,734.70
  4. Step 4: Simplify right side
    8,862.62x = 82,377,267.75
  5. Step 5: Solve for x
    x = 82,377,267.75/8,862.62
  6. Step 6: Final answer
    x = 9,294.92

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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.