Home / 5,144.30-7,099.08-2,786.44

Finding the Fourth Proportional to 5,144.30, 7,099.08 and 2,786.44

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Solution

The fourth proportional to 5,144.30, 7,099.08 and 2,786.44 is: 3,845.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.30 : 7,099.08 = 2,786.44 : x
  2. Step 2: Convert to fraction form
    5,144.30/7,099.08 = 2,786.44/x
  3. Step 3: Cross multiply
    5,144.30x = 7,099.08 × 2,786.44
  4. Step 4: Simplify right side
    5,144.30x = 19,781,160.48
  5. Step 5: Solve for x
    x = 19,781,160.48/5,144.30
  6. Step 6: Final answer
    x = 3,845.26

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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.