Home / 3,939.13-5,909.71-1,473.97

Finding the Fourth Proportional to 3,939.13, 5,909.71 and 1,473.97

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Solution

The fourth proportional to 3,939.13, 5,909.71 and 1,473.97 is: 2,211.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.13 : 5,909.71 = 1,473.97 : x
  2. Step 2: Convert to fraction form
    3,939.13/5,909.71 = 1,473.97/x
  3. Step 3: Cross multiply
    3,939.13x = 5,909.71 × 1,473.97
  4. Step 4: Simplify right side
    3,939.13x = 8,710,705.70
  5. Step 5: Solve for x
    x = 8,710,705.70/3,939.13
  6. Step 6: Final answer
    x = 2,211.33

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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.