Home / 6,758.20-10,139.82-4,131.10

Finding the Fourth Proportional to 6,758.20, 10,139.82 and 4,131.10

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Solution

The fourth proportional to 6,758.20, 10,139.82 and 4,131.10 is: 6,198.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,758.20 : 10,139.82 = 4,131.10 : x
  2. Step 2: Convert to fraction form
    6,758.20/10,139.82 = 4,131.10/x
  3. Step 3: Cross multiply
    6,758.20x = 10,139.82 × 4,131.10
  4. Step 4: Simplify right side
    6,758.20x = 41,888,610.40
  5. Step 5: Solve for x
    x = 41,888,610.40/6,758.20
  6. Step 6: Final answer
    x = 6,198.19

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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.