Home / 8,957.30-13,438.17-3,113.96

Finding the Fourth Proportional to 8,957.30, 13,438.17 and 3,113.96

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Solution

The fourth proportional to 8,957.30, 13,438.17 and 3,113.96 is: 4,671.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957.30 : 13,438.17 = 3,113.96 : x
  2. Step 2: Convert to fraction form
    8,957.30/13,438.17 = 3,113.96/x
  3. Step 3: Cross multiply
    8,957.30x = 13,438.17 × 3,113.96
  4. Step 4: Simplify right side
    8,957.30x = 41,845,856.66
  5. Step 5: Solve for x
    x = 41,845,856.66/8,957.30
  6. Step 6: Final answer
    x = 4,671.71

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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.