Home / 8,165.28-12,251.96-3,238.44

Finding the Fourth Proportional to 8,165.28, 12,251.96 and 3,238.44

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Solution

The fourth proportional to 8,165.28, 12,251.96 and 3,238.44 is: 4,859.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.28 : 12,251.96 = 3,238.44 : x
  2. Step 2: Convert to fraction form
    8,165.28/12,251.96 = 3,238.44/x
  3. Step 3: Cross multiply
    8,165.28x = 12,251.96 × 3,238.44
  4. Step 4: Simplify right side
    8,165.28x = 39,677,237.34
  5. Step 5: Solve for x
    x = 39,677,237.34/8,165.28
  6. Step 6: Final answer
    x = 4,859.26

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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.