Home / 8,298.12-12,447.42-2,753.88

Finding the Fourth Proportional to 8,298.12, 12,447.42 and 2,753.88

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Solution

The fourth proportional to 8,298.12, 12,447.42 and 2,753.88 is: 4,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.12 : 12,447.42 = 2,753.88 : x
  2. Step 2: Convert to fraction form
    8,298.12/12,447.42 = 2,753.88/x
  3. Step 3: Cross multiply
    8,298.12x = 12,447.42 × 2,753.88
  4. Step 4: Simplify right side
    8,298.12x = 34,278,700.99
  5. Step 5: Solve for x
    x = 34,278,700.99/8,298.12
  6. Step 6: Final answer
    x = 4,130.90

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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.