Home / 4,112.38-6,168.16-1,338.94

Finding the Fourth Proportional to 4,112.38, 6,168.16 and 1,338.94

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Solution

The fourth proportional to 4,112.38, 6,168.16 and 1,338.94 is: 2,008.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.38 : 6,168.16 = 1,338.94 : x
  2. Step 2: Convert to fraction form
    4,112.38/6,168.16 = 1,338.94/x
  3. Step 3: Cross multiply
    4,112.38x = 6,168.16 × 1,338.94
  4. Step 4: Simplify right side
    4,112.38x = 8,258,796.15
  5. Step 5: Solve for x
    x = 8,258,796.15/4,112.38
  6. Step 6: Final answer
    x = 2,008.28

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1.5x scale

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.