Home / 4,129.39-6,195.84-2,743.21

Finding the Fourth Proportional to 4,129.39, 6,195.84 and 2,743.21

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Solution

The fourth proportional to 4,129.39, 6,195.84 and 2,743.21 is: 4,115.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.39 : 6,195.84 = 2,743.21 : x
  2. Step 2: Convert to fraction form
    4,129.39/6,195.84 = 2,743.21/x
  3. Step 3: Cross multiply
    4,129.39x = 6,195.84 × 2,743.21
  4. Step 4: Simplify right side
    4,129.39x = 16,996,490.25
  5. Step 5: Solve for x
    x = 16,996,490.25/4,129.39
  6. Step 6: Final answer
    x = 4,115.98

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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.