Home / 4,115.38-6,169.98-1,340.39

Finding the Fourth Proportional to 4,115.38, 6,169.98 and 1,340.39

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Solution

The fourth proportional to 4,115.38, 6,169.98 and 1,340.39 is: 2,009.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.38 : 6,169.98 = 1,340.39 : x
  2. Step 2: Convert to fraction form
    4,115.38/6,169.98 = 1,340.39/x
  3. Step 3: Cross multiply
    4,115.38x = 6,169.98 × 1,340.39
  4. Step 4: Simplify right side
    4,115.38x = 8,270,179.49
  5. Step 5: Solve for x
    x = 8,270,179.49/4,115.38
  6. Step 6: Final answer
    x = 2,009.58

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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.