Home / 4,111.60-6,160.20-3,650.80

Finding the Fourth Proportional to 4,111.60, 6,160.20 and 3,650.80

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Solution

The fourth proportional to 4,111.60, 6,160.20 and 3,650.80 is: 5,469.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.60 : 6,160.20 = 3,650.80 : x
  2. Step 2: Convert to fraction form
    4,111.60/6,160.20 = 3,650.80/x
  3. Step 3: Cross multiply
    4,111.60x = 6,160.20 × 3,650.80
  4. Step 4: Simplify right side
    4,111.60x = 22,489,658.16
  5. Step 5: Solve for x
    x = 22,489,658.16/4,111.60
  6. Step 6: Final answer
    x = 5,469.81

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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.