Home / 5,517.29-7,613.64-2,999.36

Finding the Fourth Proportional to 5,517.29, 7,613.64 and 2,999.36

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Solution

The fourth proportional to 5,517.29, 7,613.64 and 2,999.36 is: 4,139.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.29 : 7,613.64 = 2,999.36 : x
  2. Step 2: Convert to fraction form
    5,517.29/7,613.64 = 2,999.36/x
  3. Step 3: Cross multiply
    5,517.29x = 7,613.64 × 2,999.36
  4. Step 4: Simplify right side
    5,517.29x = 22,836,066.30
  5. Step 5: Solve for x
    x = 22,836,066.30/5,517.29
  6. Step 6: Final answer
    x = 4,139.00

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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.