Home / 8,156.46-12,234.66-3,223.56

Finding the Fourth Proportional to 8,156.46, 12,234.66 and 3,223.56

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Solution

The fourth proportional to 8,156.46, 12,234.66 and 3,223.56 is: 4,835.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.46 : 12,234.66 = 3,223.56 : x
  2. Step 2: Convert to fraction form
    8,156.46/12,234.66 = 3,223.56/x
  3. Step 3: Cross multiply
    8,156.46x = 12,234.66 × 3,223.56
  4. Step 4: Simplify right side
    8,156.46x = 39,439,160.59
  5. Step 5: Solve for x
    x = 39,439,160.59/8,156.46
  6. Step 6: Final answer
    x = 4,835.33

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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.