Home / 5,134.62-7,086.16-2,896.70

Finding the Fourth Proportional to 5,134.62, 7,086.16 and 2,896.70

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Solution

The fourth proportional to 5,134.62, 7,086.16 and 2,896.70 is: 3,997.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.62 : 7,086.16 = 2,896.70 : x
  2. Step 2: Convert to fraction form
    5,134.62/7,086.16 = 2,896.70/x
  3. Step 3: Cross multiply
    5,134.62x = 7,086.16 × 2,896.70
  4. Step 4: Simplify right side
    5,134.62x = 20,526,479.67
  5. Step 5: Solve for x
    x = 20,526,479.67/5,134.62
  6. Step 6: Final answer
    x = 3,997.66

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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.