Home / 8,781.75-13,177.80-3,238.97

Finding the Fourth Proportional to 8,781.75, 13,177.80 and 3,238.97

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Solution

The fourth proportional to 8,781.75, 13,177.80 and 3,238.97 is: 4,860.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781.75 : 13,177.80 = 3,238.97 : x
  2. Step 2: Convert to fraction form
    8,781.75/13,177.80 = 3,238.97/x
  3. Step 3: Cross multiply
    8,781.75x = 13,177.80 × 3,238.97
  4. Step 4: Simplify right side
    8,781.75x = 42,682,432.98
  5. Step 5: Solve for x
    x = 42,682,432.98/8,781.75
  6. Step 6: Final answer
    x = 4,860.36

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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.