Home / 5,517.25-7,613.89-2,999.39

Finding the Fourth Proportional to 5,517.25, 7,613.89 and 2,999.39

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Solution

The fourth proportional to 5,517.25, 7,613.89 and 2,999.39 is: 4,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.25 : 7,613.89 = 2,999.39 : x
  2. Step 2: Convert to fraction form
    5,517.25/7,613.89 = 2,999.39/x
  3. Step 3: Cross multiply
    5,517.25x = 7,613.89 × 2,999.39
  4. Step 4: Simplify right side
    5,517.25x = 22,837,025.53
  5. Step 5: Solve for x
    x = 22,837,025.53/5,517.25
  6. Step 6: Final answer
    x = 4,139.20

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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.