Home / 8,531.79-12,791.61-3,262.36

Finding the Fourth Proportional to 8,531.79, 12,791.61 and 3,262.36

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Solution

The fourth proportional to 8,531.79, 12,791.61 and 3,262.36 is: 4,891.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531.79 : 12,791.61 = 3,262.36 : x
  2. Step 2: Convert to fraction form
    8,531.79/12,791.61 = 3,262.36/x
  3. Step 3: Cross multiply
    8,531.79x = 12,791.61 × 3,262.36
  4. Step 4: Simplify right side
    8,531.79x = 41,730,817.05
  5. Step 5: Solve for x
    x = 41,730,817.05/8,531.79
  6. Step 6: Final answer
    x = 4,891.22

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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.