Home / 8,380.20-12,565.14-2,833.02

Finding the Fourth Proportional to 8,380.20, 12,565.14 and 2,833.02

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Solution

The fourth proportional to 8,380.20, 12,565.14 and 2,833.02 is: 4,247.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.20 : 12,565.14 = 2,833.02 : x
  2. Step 2: Convert to fraction form
    8,380.20/12,565.14 = 2,833.02/x
  3. Step 3: Cross multiply
    8,380.20x = 12,565.14 × 2,833.02
  4. Step 4: Simplify right side
    8,380.20x = 35,597,292.92
  5. Step 5: Solve for x
    x = 35,597,292.92/8,380.20
  6. Step 6: Final answer
    x = 4,247.79

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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.