Home / 4,517.52-6,768-3,126.88

Finding the Fourth Proportional to 4,517.52, 6,768 and 3,126.88

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Solution

The fourth proportional to 4,517.52, 6,768 and 3,126.88 is: 4,684.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,517.52 : 6,768 = 3,126.88 : x
  2. Step 2: Convert to fraction form
    4,517.52/6,768 = 3,126.88/x
  3. Step 3: Cross multiply
    4,517.52x = 6,768 × 3,126.88
  4. Step 4: Simplify right side
    4,517.52x = 21,162,723.84
  5. Step 5: Solve for x
    x = 21,162,723.84/4,517.52
  6. Step 6: Final answer
    x = 4,684.59

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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.