Home / 7,910.43-11,865.54-3,229.41

Finding the Fourth Proportional to 7,910.43, 11,865.54 and 3,229.41

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Solution

The fourth proportional to 7,910.43, 11,865.54 and 3,229.41 is: 4,844.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.43 : 11,865.54 = 3,229.41 : x
  2. Step 2: Convert to fraction form
    7,910.43/11,865.54 = 3,229.41/x
  3. Step 3: Cross multiply
    7,910.43x = 11,865.54 × 3,229.41
  4. Step 4: Simplify right side
    7,910.43x = 38,318,693.53
  5. Step 5: Solve for x
    x = 38,318,693.53/7,910.43
  6. Step 6: Final answer
    x = 4,844.07

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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.