Home / 5,517.28-7,613.82-2,999.34

Finding the Fourth Proportional to 5,517.28, 7,613.82 and 2,999.34

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Solution

The fourth proportional to 5,517.28, 7,613.82 and 2,999.34 is: 4,139.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.28 : 7,613.82 = 2,999.34 : x
  2. Step 2: Convert to fraction form
    5,517.28/7,613.82 = 2,999.34/x
  3. Step 3: Cross multiply
    5,517.28x = 7,613.82 × 2,999.34
  4. Step 4: Simplify right side
    5,517.28x = 22,836,419.88
  5. Step 5: Solve for x
    x = 22,836,419.88/5,517.28
  6. Step 6: Final answer
    x = 4,139.08

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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.