Home / 8,180.52-12,272.75-2,634.39

Finding the Fourth Proportional to 8,180.52, 12,272.75 and 2,634.39

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Solution

The fourth proportional to 8,180.52, 12,272.75 and 2,634.39 is: 3,952.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.52 : 12,272.75 = 2,634.39 : x
  2. Step 2: Convert to fraction form
    8,180.52/12,272.75 = 2,634.39/x
  3. Step 3: Cross multiply
    8,180.52x = 12,272.75 × 2,634.39
  4. Step 4: Simplify right side
    8,180.52x = 32,331,196.70
  5. Step 5: Solve for x
    x = 32,331,196.70/8,180.52
  6. Step 6: Final answer
    x = 3,952.22

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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.