Home / 5,099.38-7,644.14-2,789.26

Finding the Fourth Proportional to 5,099.38, 7,644.14 and 2,789.26

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Solution

The fourth proportional to 5,099.38, 7,644.14 and 2,789.26 is: 4,181.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.38 : 7,644.14 = 2,789.26 : x
  2. Step 2: Convert to fraction form
    5,099.38/7,644.14 = 2,789.26/x
  3. Step 3: Cross multiply
    5,099.38x = 7,644.14 × 2,789.26
  4. Step 4: Simplify right side
    5,099.38x = 21,321,493.94
  5. Step 5: Solve for x
    x = 21,321,493.94/5,099.38
  6. Step 6: Final answer
    x = 4,181.19

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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.