Home / 6,140.44-9,198.51-5,418.73

Finding the Fourth Proportional to 6,140.44, 9,198.51 and 5,418.73

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Solution

The fourth proportional to 6,140.44, 9,198.51 and 5,418.73 is: 8,117.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.44 : 9,198.51 = 5,418.73 : x
  2. Step 2: Convert to fraction form
    6,140.44/9,198.51 = 5,418.73/x
  3. Step 3: Cross multiply
    6,140.44x = 9,198.51 × 5,418.73
  4. Step 4: Simplify right side
    6,140.44x = 49,844,242.09
  5. Step 5: Solve for x
    x = 49,844,242.09/6,140.44
  6. Step 6: Final answer
    x = 8,117.37

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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.