Home / 5,291.69-7,937.61-2,003.90

Finding the Fourth Proportional to 5,291.69, 7,937.61 and 2,003.90

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Solution

The fourth proportional to 5,291.69, 7,937.61 and 2,003.90 is: 3,005.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.69 : 7,937.61 = 2,003.90 : x
  2. Step 2: Convert to fraction form
    5,291.69/7,937.61 = 2,003.90/x
  3. Step 3: Cross multiply
    5,291.69x = 7,937.61 × 2,003.90
  4. Step 4: Simplify right side
    5,291.69x = 15,906,126.97
  5. Step 5: Solve for x
    x = 15,906,126.97/5,291.69
  6. Step 6: Final answer
    x = 3,005.87

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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.