Home / 3,937.47-5,906.37-1,472.04

Finding the Fourth Proportional to 3,937.47, 5,906.37 and 1,472.04

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Solution

The fourth proportional to 3,937.47, 5,906.37 and 1,472.04 is: 2,208.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.47 : 5,906.37 = 1,472.04 : x
  2. Step 2: Convert to fraction form
    3,937.47/5,906.37 = 1,472.04/x
  3. Step 3: Cross multiply
    3,937.47x = 5,906.37 × 1,472.04
  4. Step 4: Simplify right side
    3,937.47x = 8,694,412.89
  5. Step 5: Solve for x
    x = 8,694,412.89/3,937.47
  6. Step 6: Final answer
    x = 2,208.12

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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.