Home / 10,470.75-15,708.96-3,545.25

Finding the Fourth Proportional to 10,470.75, 15,708.96 and 3,545.25

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Solution

The fourth proportional to 10,470.75, 15,708.96 and 3,545.25 is: 5,318.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,470.75 : 15,708.96 = 3,545.25 : x
  2. Step 2: Convert to fraction form
    10,470.75/15,708.96 = 3,545.25/x
  3. Step 3: Cross multiply
    10,470.75x = 15,708.96 × 3,545.25
  4. Step 4: Simplify right side
    10,470.75x = 55,692,190.44
  5. Step 5: Solve for x
    x = 55,692,190.44/10,470.75
  6. Step 6: Final answer
    x = 5,318.83

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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.