Home / 5,517.09-7,613.58-2,999.19

Finding the Fourth Proportional to 5,517.09, 7,613.58 and 2,999.19

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Solution

The fourth proportional to 5,517.09, 7,613.58 and 2,999.19 is: 4,138.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.09 : 7,613.58 = 2,999.19 : x
  2. Step 2: Convert to fraction form
    5,517.09/7,613.58 = 2,999.19/x
  3. Step 3: Cross multiply
    5,517.09x = 7,613.58 × 2,999.19
  4. Step 4: Simplify right side
    5,517.09x = 22,834,573.00
  5. Step 5: Solve for x
    x = 22,834,573.00/5,517.09
  6. Step 6: Final answer
    x = 4,138.88

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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.