Home / 8,198.42-11,313.89-4,472.66

Finding the Fourth Proportional to 8,198.42, 11,313.89 and 4,472.66

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Solution

The fourth proportional to 8,198.42, 11,313.89 and 4,472.66 is: 6,172.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.42 : 11,313.89 = 4,472.66 : x
  2. Step 2: Convert to fraction form
    8,198.42/11,313.89 = 4,472.66/x
  3. Step 3: Cross multiply
    8,198.42x = 11,313.89 × 4,472.66
  4. Step 4: Simplify right side
    8,198.42x = 50,603,183.25
  5. Step 5: Solve for x
    x = 50,603,183.25/8,198.42
  6. Step 6: Final answer
    x = 6,172.31

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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.