Home / 6,679.40-10,013.76-3,167.64

Finding the Fourth Proportional to 6,679.40, 10,013.76 and 3,167.64

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Solution

The fourth proportional to 6,679.40, 10,013.76 and 3,167.64 is: 4,748.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.40 : 10,013.76 = 3,167.64 : x
  2. Step 2: Convert to fraction form
    6,679.40/10,013.76 = 3,167.64/x
  3. Step 3: Cross multiply
    6,679.40x = 10,013.76 × 3,167.64
  4. Step 4: Simplify right side
    6,679.40x = 31,719,986.73
  5. Step 5: Solve for x
    x = 31,719,986.73/6,679.40
  6. Step 6: Final answer
    x = 4,748.93

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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.