Home / 4,112.62-6,169.76-1,338.55

Finding the Fourth Proportional to 4,112.62, 6,169.76 and 1,338.55

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Solution

The fourth proportional to 4,112.62, 6,169.76 and 1,338.55 is: 2,008.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.62 : 6,169.76 = 1,338.55 : x
  2. Step 2: Convert to fraction form
    4,112.62/6,169.76 = 1,338.55/x
  3. Step 3: Cross multiply
    4,112.62x = 6,169.76 × 1,338.55
  4. Step 4: Simplify right side
    4,112.62x = 8,258,498.05
  5. Step 5: Solve for x
    x = 8,258,498.05/4,112.62
  6. Step 6: Final answer
    x = 2,008.09

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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.