Home / 9,122.22-13,685.46-3,857.73

Finding the Fourth Proportional to 9,122.22, 13,685.46 and 3,857.73

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Solution

The fourth proportional to 9,122.22, 13,685.46 and 3,857.73 is: 5,787.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.22 : 13,685.46 = 3,857.73 : x
  2. Step 2: Convert to fraction form
    9,122.22/13,685.46 = 3,857.73/x
  3. Step 3: Cross multiply
    9,122.22x = 13,685.46 × 3,857.73
  4. Step 4: Simplify right side
    9,122.22x = 52,794,743.82
  5. Step 5: Solve for x
    x = 52,794,743.82/9,122.22
  6. Step 6: Final answer
    x = 5,787.49

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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.