Home / 4,764.33-7,148.21-2,131.61

Finding the Fourth Proportional to 4,764.33, 7,148.21 and 2,131.61

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Solution

The fourth proportional to 4,764.33, 7,148.21 and 2,131.61 is: 3,198.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,764.33 : 7,148.21 = 2,131.61 : x
  2. Step 2: Convert to fraction form
    4,764.33/7,148.21 = 2,131.61/x
  3. Step 3: Cross multiply
    4,764.33x = 7,148.21 × 2,131.61
  4. Step 4: Simplify right side
    4,764.33x = 15,237,195.92
  5. Step 5: Solve for x
    x = 15,237,195.92/4,764.33
  6. Step 6: Final answer
    x = 3,198.18

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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.