Home / 4,105.20-6,150.60-3,370.80

Finding the Fourth Proportional to 4,105.20, 6,150.60 and 3,370.80

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Solution

The fourth proportional to 4,105.20, 6,150.60 and 3,370.80 is: 5,050.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.20 : 6,150.60 = 3,370.80 : x
  2. Step 2: Convert to fraction form
    4,105.20/6,150.60 = 3,370.80/x
  3. Step 3: Cross multiply
    4,105.20x = 6,150.60 × 3,370.80
  4. Step 4: Simplify right side
    4,105.20x = 20,732,442.48
  5. Step 5: Solve for x
    x = 20,732,442.48/4,105.20
  6. Step 6: Final answer
    x = 5,050.29

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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.