Home / 4,101.20-6,151.80-3,825.80

Finding the Fourth Proportional to 4,101.20, 6,151.80 and 3,825.80

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Solution

The fourth proportional to 4,101.20, 6,151.80 and 3,825.80 is: 5,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.20 : 6,151.80 = 3,825.80 : x
  2. Step 2: Convert to fraction form
    4,101.20/6,151.80 = 3,825.80/x
  3. Step 3: Cross multiply
    4,101.20x = 6,151.80 × 3,825.80
  4. Step 4: Simplify right side
    4,101.20x = 23,535,556.44
  5. Step 5: Solve for x
    x = 23,535,556.44/4,101.20
  6. Step 6: Final answer
    x = 5,738.70

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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.