Home / 8,134.73-12,206.19-3,207.90

Finding the Fourth Proportional to 8,134.73, 12,206.19 and 3,207.90

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Solution

The fourth proportional to 8,134.73, 12,206.19 and 3,207.90 is: 4,813.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.73 : 12,206.19 = 3,207.90 : x
  2. Step 2: Convert to fraction form
    8,134.73/12,206.19 = 3,207.90/x
  3. Step 3: Cross multiply
    8,134.73x = 12,206.19 × 3,207.90
  4. Step 4: Simplify right side
    8,134.73x = 39,156,236.90
  5. Step 5: Solve for x
    x = 39,156,236.90/8,134.73
  6. Step 6: Final answer
    x = 4,813.46

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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.