Home / 5,319.74-7,974.97-2,197.80

Finding the Fourth Proportional to 5,319.74, 7,974.97 and 2,197.80

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Solution

The fourth proportional to 5,319.74, 7,974.97 and 2,197.80 is: 3,294.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.74 : 7,974.97 = 2,197.80 : x
  2. Step 2: Convert to fraction form
    5,319.74/7,974.97 = 2,197.80/x
  3. Step 3: Cross multiply
    5,319.74x = 7,974.97 × 2,197.80
  4. Step 4: Simplify right side
    5,319.74x = 17,527,395.93
  5. Step 5: Solve for x
    x = 17,527,395.93/5,319.74
  6. Step 6: Final answer
    x = 3,294.78

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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.