Home / 6,198.26-8,555.10-3,839

Finding the Fourth Proportional to 6,198.26, 8,555.10 and 3,839

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Solution

The fourth proportional to 6,198.26, 8,555.10 and 3,839 is: 5,298.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,198.26 : 8,555.10 = 3,839 : x
  2. Step 2: Convert to fraction form
    6,198.26/8,555.10 = 3,839/x
  3. Step 3: Cross multiply
    6,198.26x = 8,555.10 × 3,839
  4. Step 4: Simplify right side
    6,198.26x = 32,843,028.90
  5. Step 5: Solve for x
    x = 32,843,028.90/6,198.26
  6. Step 6: Final answer
    x = 5,298.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.