Home / 9,177.19-12,664.82-5,198.22

Finding the Fourth Proportional to 9,177.19, 12,664.82 and 5,198.22

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Solution

The fourth proportional to 9,177.19, 12,664.82 and 5,198.22 is: 7,173.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177.19 : 12,664.82 = 5,198.22 : x
  2. Step 2: Convert to fraction form
    9,177.19/12,664.82 = 5,198.22/x
  3. Step 3: Cross multiply
    9,177.19x = 12,664.82 × 5,198.22
  4. Step 4: Simplify right side
    9,177.19x = 65,834,520.62
  5. Step 5: Solve for x
    x = 65,834,520.62/9,177.19
  6. Step 6: Final answer
    x = 7,173.71

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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.