Home / 4,711.14-7,067.52-2,115.90

Finding the Fourth Proportional to 4,711.14, 7,067.52 and 2,115.90

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Solution

The fourth proportional to 4,711.14, 7,067.52 and 2,115.90 is: 3,174.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,711.14 : 7,067.52 = 2,115.90 : x
  2. Step 2: Convert to fraction form
    4,711.14/7,067.52 = 2,115.90/x
  3. Step 3: Cross multiply
    4,711.14x = 7,067.52 × 2,115.90
  4. Step 4: Simplify right side
    4,711.14x = 14,954,165.57
  5. Step 5: Solve for x
    x = 14,954,165.57/4,711.14
  6. Step 6: Final answer
    x = 3,174.21

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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.