Home / 5,540.56-8,318.10-3,897.88

Finding the Fourth Proportional to 5,540.56, 8,318.10 and 3,897.88

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Solution

The fourth proportional to 5,540.56, 8,318.10 and 3,897.88 is: 5,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.56 : 8,318.10 = 3,897.88 : x
  2. Step 2: Convert to fraction form
    5,540.56/8,318.10 = 3,897.88/x
  3. Step 3: Cross multiply
    5,540.56x = 8,318.10 × 3,897.88
  4. Step 4: Simplify right side
    5,540.56x = 32,422,955.63
  5. Step 5: Solve for x
    x = 32,422,955.63/5,540.56
  6. Step 6: Final answer
    x = 5,851.93

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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.