Home / 7,184.20-10,761.16-3,291.88

Finding the Fourth Proportional to 7,184.20, 10,761.16 and 3,291.88

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Solution

The fourth proportional to 7,184.20, 10,761.16 and 3,291.88 is: 4,930.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,184.20 : 10,761.16 = 3,291.88 : x
  2. Step 2: Convert to fraction form
    7,184.20/10,761.16 = 3,291.88/x
  3. Step 3: Cross multiply
    7,184.20x = 10,761.16 × 3,291.88
  4. Step 4: Simplify right side
    7,184.20x = 35,424,447.38
  5. Step 5: Solve for x
    x = 35,424,447.38/7,184.20
  6. Step 6: Final answer
    x = 4,930.88

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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.