Home / 8,780.67-13,177.08-3,851.82

Finding the Fourth Proportional to 8,780.67, 13,177.08 and 3,851.82

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Solution

The fourth proportional to 8,780.67, 13,177.08 and 3,851.82 is: 5,780.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780.67 : 13,177.08 = 3,851.82 : x
  2. Step 2: Convert to fraction form
    8,780.67/13,177.08 = 3,851.82/x
  3. Step 3: Cross multiply
    8,780.67x = 13,177.08 × 3,851.82
  4. Step 4: Simplify right side
    8,780.67x = 50,755,740.29
  5. Step 5: Solve for x
    x = 50,755,740.29/8,780.67
  6. Step 6: Final answer
    x = 5,780.39

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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.