Home / 4,138.92-6,206.36-1,469.61

Finding the Fourth Proportional to 4,138.92, 6,206.36 and 1,469.61

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Solution

The fourth proportional to 4,138.92, 6,206.36 and 1,469.61 is: 2,203.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.92 : 6,206.36 = 1,469.61 : x
  2. Step 2: Convert to fraction form
    4,138.92/6,206.36 = 1,469.61/x
  3. Step 3: Cross multiply
    4,138.92x = 6,206.36 × 1,469.61
  4. Step 4: Simplify right side
    4,138.92x = 9,120,928.72
  5. Step 5: Solve for x
    x = 9,120,928.72/4,138.92
  6. Step 6: Final answer
    x = 2,203.70

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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.