Home / 9,174.21-13,761.25-5,451.79

Finding the Fourth Proportional to 9,174.21, 13,761.25 and 5,451.79

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Solution

The fourth proportional to 9,174.21, 13,761.25 and 5,451.79 is: 8,177.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174.21 : 13,761.25 = 5,451.79 : x
  2. Step 2: Convert to fraction form
    9,174.21/13,761.25 = 5,451.79/x
  3. Step 3: Cross multiply
    9,174.21x = 13,761.25 × 5,451.79
  4. Step 4: Simplify right side
    9,174.21x = 75,023,409.49
  5. Step 5: Solve for x
    x = 75,023,409.49/9,174.21
  6. Step 6: Final answer
    x = 8,177.64

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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.