Home / 8,167.32-12,251.76-2,619.39

Finding the Fourth Proportional to 8,167.32, 12,251.76 and 2,619.39

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Solution

The fourth proportional to 8,167.32, 12,251.76 and 2,619.39 is: 3,929.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.32 : 12,251.76 = 2,619.39 : x
  2. Step 2: Convert to fraction form
    8,167.32/12,251.76 = 2,619.39/x
  3. Step 3: Cross multiply
    8,167.32x = 12,251.76 × 2,619.39
  4. Step 4: Simplify right side
    8,167.32x = 32,092,137.63
  5. Step 5: Solve for x
    x = 32,092,137.63/8,167.32
  6. Step 6: Final answer
    x = 3,929.34

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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.