Home / 5,121.55-7,671.39-3,167.83

Finding the Fourth Proportional to 5,121.55, 7,671.39 and 3,167.83

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Solution

The fourth proportional to 5,121.55, 7,671.39 and 3,167.83 is: 4,744.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121.55 : 7,671.39 = 3,167.83 : x
  2. Step 2: Convert to fraction form
    5,121.55/7,671.39 = 3,167.83/x
  3. Step 3: Cross multiply
    5,121.55x = 7,671.39 × 3,167.83
  4. Step 4: Simplify right side
    5,121.55x = 24,301,659.38
  5. Step 5: Solve for x
    x = 24,301,659.38/5,121.55
  6. Step 6: Final answer
    x = 4,744.98

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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.