Home / 7,745.17-11,618.32-2,198.96

Finding the Fourth Proportional to 7,745.17, 11,618.32 and 2,198.96

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Solution

The fourth proportional to 7,745.17, 11,618.32 and 2,198.96 is: 3,298.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.17 : 11,618.32 = 2,198.96 : x
  2. Step 2: Convert to fraction form
    7,745.17/11,618.32 = 2,198.96/x
  3. Step 3: Cross multiply
    7,745.17x = 11,618.32 × 2,198.96
  4. Step 4: Simplify right side
    7,745.17x = 25,548,230.67
  5. Step 5: Solve for x
    x = 25,548,230.67/7,745.17
  6. Step 6: Final answer
    x = 3,298.60

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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.