Home / 5,108.28-7,049.88-3,012

Finding the Fourth Proportional to 5,108.28, 7,049.88 and 3,012

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Solution

The fourth proportional to 5,108.28, 7,049.88 and 3,012 is: 4,156.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.28 : 7,049.88 = 3,012 : x
  2. Step 2: Convert to fraction form
    5,108.28/7,049.88 = 3,012/x
  3. Step 3: Cross multiply
    5,108.28x = 7,049.88 × 3,012
  4. Step 4: Simplify right side
    5,108.28x = 21,234,238.56
  5. Step 5: Solve for x
    x = 21,234,238.56/5,108.28
  6. Step 6: Final answer
    x = 4,156.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.