Home / 4,131.80-6,197.70-3,840.20

Finding the Fourth Proportional to 4,131.80, 6,197.70 and 3,840.20

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Solution

The fourth proportional to 4,131.80, 6,197.70 and 3,840.20 is: 5,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.80 : 6,197.70 = 3,840.20 : x
  2. Step 2: Convert to fraction form
    4,131.80/6,197.70 = 3,840.20/x
  3. Step 3: Cross multiply
    4,131.80x = 6,197.70 × 3,840.20
  4. Step 4: Simplify right side
    4,131.80x = 23,800,407.54
  5. Step 5: Solve for x
    x = 23,800,407.54/4,131.80
  6. Step 6: Final answer
    x = 5,760.30

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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.