Home / 4,115.82-6,171.90-2,956.71

Finding the Fourth Proportional to 4,115.82, 6,171.90 and 2,956.71

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Solution

The fourth proportional to 4,115.82, 6,171.90 and 2,956.71 is: 4,433.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.82 : 6,171.90 = 2,956.71 : x
  2. Step 2: Convert to fraction form
    4,115.82/6,171.90 = 2,956.71/x
  3. Step 3: Cross multiply
    4,115.82x = 6,171.90 × 2,956.71
  4. Step 4: Simplify right side
    4,115.82x = 18,248,512.42
  5. Step 5: Solve for x
    x = 18,248,512.42/4,115.82
  6. Step 6: Final answer
    x = 4,433.75

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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.