Home / 5,540.36-8,306.02-2,580.66

Finding the Fourth Proportional to 5,540.36, 8,306.02 and 2,580.66

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Solution

The fourth proportional to 5,540.36, 8,306.02 and 2,580.66 is: 3,868.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.36 : 8,306.02 = 2,580.66 : x
  2. Step 2: Convert to fraction form
    5,540.36/8,306.02 = 2,580.66/x
  3. Step 3: Cross multiply
    5,540.36x = 8,306.02 × 2,580.66
  4. Step 4: Simplify right side
    5,540.36x = 21,435,013.57
  5. Step 5: Solve for x
    x = 21,435,013.57/5,540.36
  6. Step 6: Final answer
    x = 3,868.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.