Home / 4,198.62-5,791.14-3,638.10

Finding the Fourth Proportional to 4,198.62, 5,791.14 and 3,638.10

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Solution

The fourth proportional to 4,198.62, 5,791.14 and 3,638.10 is: 5,018.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.62 : 5,791.14 = 3,638.10 : x
  2. Step 2: Convert to fraction form
    4,198.62/5,791.14 = 3,638.10/x
  3. Step 3: Cross multiply
    4,198.62x = 5,791.14 × 3,638.10
  4. Step 4: Simplify right side
    4,198.62x = 21,068,746.43
  5. Step 5: Solve for x
    x = 21,068,746.43/4,198.62
  6. Step 6: Final answer
    x = 5,018.02

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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.