Home / 5,517.19-7,613.11-3,126.98

Finding the Fourth Proportional to 5,517.19, 7,613.11 and 3,126.98

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Solution

The fourth proportional to 5,517.19, 7,613.11 and 3,126.98 is: 4,314.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.19 : 7,613.11 = 3,126.98 : x
  2. Step 2: Convert to fraction form
    5,517.19/7,613.11 = 3,126.98/x
  3. Step 3: Cross multiply
    5,517.19x = 7,613.11 × 3,126.98
  4. Step 4: Simplify right side
    5,517.19x = 23,806,053.03
  5. Step 5: Solve for x
    x = 23,806,053.03/5,517.19
  6. Step 6: Final answer
    x = 4,314.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.