Home / 4,120.20-6,165.90-3,371.16

Finding the Fourth Proportional to 4,120.20, 6,165.90 and 3,371.16

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Solution

The fourth proportional to 4,120.20, 6,165.90 and 3,371.16 is: 5,044.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.20 : 6,165.90 = 3,371.16 : x
  2. Step 2: Convert to fraction form
    4,120.20/6,165.90 = 3,371.16/x
  3. Step 3: Cross multiply
    4,120.20x = 6,165.90 × 3,371.16
  4. Step 4: Simplify right side
    4,120.20x = 20,786,235.44
  5. Step 5: Solve for x
    x = 20,786,235.44/4,120.20
  6. Step 6: Final answer
    x = 5,044.96

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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.