Home / 4,108.71-6,162.97-2,789.17

Finding the Fourth Proportional to 4,108.71, 6,162.97 and 2,789.17

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Solution

The fourth proportional to 4,108.71, 6,162.97 and 2,789.17 is: 4,183.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.71 : 6,162.97 = 2,789.17 : x
  2. Step 2: Convert to fraction form
    4,108.71/6,162.97 = 2,789.17/x
  3. Step 3: Cross multiply
    4,108.71x = 6,162.97 × 2,789.17
  4. Step 4: Simplify right side
    4,108.71x = 17,189,571.03
  5. Step 5: Solve for x
    x = 17,189,571.03/4,108.71
  6. Step 6: Final answer
    x = 4,183.69

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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.