Home / 8,512.89-12,772.06-3,517.61

Finding the Fourth Proportional to 8,512.89, 12,772.06 and 3,517.61

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Solution

The fourth proportional to 8,512.89, 12,772.06 and 3,517.61 is: 5,277.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.89 : 12,772.06 = 3,517.61 : x
  2. Step 2: Convert to fraction form
    8,512.89/12,772.06 = 3,517.61/x
  3. Step 3: Cross multiply
    8,512.89x = 12,772.06 × 3,517.61
  4. Step 4: Simplify right side
    8,512.89x = 44,927,125.98
  5. Step 5: Solve for x
    x = 44,927,125.98/8,512.89
  6. Step 6: Final answer
    x = 5,277.54

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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.