Home / 8,259.62-12,380.07-4,102.52

Finding the Fourth Proportional to 8,259.62, 12,380.07 and 4,102.52

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Solution

The fourth proportional to 8,259.62, 12,380.07 and 4,102.52 is: 6,149.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.62 : 12,380.07 = 4,102.52 : x
  2. Step 2: Convert to fraction form
    8,259.62/12,380.07 = 4,102.52/x
  3. Step 3: Cross multiply
    8,259.62x = 12,380.07 × 4,102.52
  4. Step 4: Simplify right side
    8,259.62x = 50,789,484.78
  5. Step 5: Solve for x
    x = 50,789,484.78/8,259.62
  6. Step 6: Final answer
    x = 6,149.13

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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.