Home / 6,251.89-9,373.88-3,131.05

Finding the Fourth Proportional to 6,251.89, 9,373.88 and 3,131.05

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Solution

The fourth proportional to 6,251.89, 9,373.88 and 3,131.05 is: 4,694.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.89 : 9,373.88 = 3,131.05 : x
  2. Step 2: Convert to fraction form
    6,251.89/9,373.88 = 3,131.05/x
  3. Step 3: Cross multiply
    6,251.89x = 9,373.88 × 3,131.05
  4. Step 4: Simplify right side
    6,251.89x = 29,350,102.58
  5. Step 5: Solve for x
    x = 29,350,102.58/6,251.89
  6. Step 6: Final answer
    x = 4,694.59

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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.