Home / 8,458.26-12,691.02-3,267.78

Finding the Fourth Proportional to 8,458.26, 12,691.02 and 3,267.78

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Solution

The fourth proportional to 8,458.26, 12,691.02 and 3,267.78 is: 4,903.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.26 : 12,691.02 = 3,267.78 : x
  2. Step 2: Convert to fraction form
    8,458.26/12,691.02 = 3,267.78/x
  3. Step 3: Cross multiply
    8,458.26x = 12,691.02 × 3,267.78
  4. Step 4: Simplify right side
    8,458.26x = 41,471,461.34
  5. Step 5: Solve for x
    x = 41,471,461.34/8,458.26
  6. Step 6: Final answer
    x = 4,903.07

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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.