Home / 9,207.25-12,704.94-5,173.52

Finding the Fourth Proportional to 9,207.25, 12,704.94 and 5,173.52

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Solution

The fourth proportional to 9,207.25, 12,704.94 and 5,173.52 is: 7,138.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207.25 : 12,704.94 = 5,173.52 : x
  2. Step 2: Convert to fraction form
    9,207.25/12,704.94 = 5,173.52/x
  3. Step 3: Cross multiply
    9,207.25x = 12,704.94 × 5,173.52
  4. Step 4: Simplify right side
    9,207.25x = 65,729,197.66
  5. Step 5: Solve for x
    x = 65,729,197.66/9,207.25
  6. Step 6: Final answer
    x = 7,138.85

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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.