Home / 8,134.20-12,193.11-3,207.33

Finding the Fourth Proportional to 8,134.20, 12,193.11 and 3,207.33

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Solution

The fourth proportional to 8,134.20, 12,193.11 and 3,207.33 is: 4,807.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.20 : 12,193.11 = 3,207.33 : x
  2. Step 2: Convert to fraction form
    8,134.20/12,193.11 = 3,207.33/x
  3. Step 3: Cross multiply
    8,134.20x = 12,193.11 × 3,207.33
  4. Step 4: Simplify right side
    8,134.20x = 39,107,327.50
  5. Step 5: Solve for x
    x = 39,107,327.50/8,134.20
  6. Step 6: Final answer
    x = 4,807.77

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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.