Home / 7,745.59-11,616.64-2,198.82

Finding the Fourth Proportional to 7,745.59, 11,616.64 and 2,198.82

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Solution

The fourth proportional to 7,745.59, 11,616.64 and 2,198.82 is: 3,297.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.59 : 11,616.64 = 2,198.82 : x
  2. Step 2: Convert to fraction form
    7,745.59/11,616.64 = 2,198.82/x
  3. Step 3: Cross multiply
    7,745.59x = 11,616.64 × 2,198.82
  4. Step 4: Simplify right side
    7,745.59x = 25,542,900.36
  5. Step 5: Solve for x
    x = 25,542,900.36/7,745.59
  6. Step 6: Final answer
    x = 3,297.73

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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.