Home / 8,244.20-12,366.30-5,781.80

Finding the Fourth Proportional to 8,244.20, 12,366.30 and 5,781.80

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Solution

The fourth proportional to 8,244.20, 12,366.30 and 5,781.80 is: 8,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,244.20 : 12,366.30 = 5,781.80 : x
  2. Step 2: Convert to fraction form
    8,244.20/12,366.30 = 5,781.80/x
  3. Step 3: Cross multiply
    8,244.20x = 12,366.30 × 5,781.80
  4. Step 4: Simplify right side
    8,244.20x = 71,499,473.34
  5. Step 5: Solve for x
    x = 71,499,473.34/8,244.20
  6. Step 6: Final answer
    x = 8,672.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.