Home / 4,764.11-7,147.83-2,131.38

Finding the Fourth Proportional to 4,764.11, 7,147.83 and 2,131.38

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Solution

The fourth proportional to 4,764.11, 7,147.83 and 2,131.38 is: 3,197.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,764.11 : 7,147.83 = 2,131.38 : x
  2. Step 2: Convert to fraction form
    4,764.11/7,147.83 = 2,131.38/x
  3. Step 3: Cross multiply
    4,764.11x = 7,147.83 × 2,131.38
  4. Step 4: Simplify right side
    4,764.11x = 15,234,741.91
  5. Step 5: Solve for x
    x = 15,234,741.91/4,764.11
  6. Step 6: Final answer
    x = 3,197.82

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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.