Home / 8,122.62-11,209.20-4,396.62

Finding the Fourth Proportional to 8,122.62, 11,209.20 and 4,396.62

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Solution

The fourth proportional to 8,122.62, 11,209.20 and 4,396.62 is: 6,067.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.62 : 11,209.20 = 4,396.62 : x
  2. Step 2: Convert to fraction form
    8,122.62/11,209.20 = 4,396.62/x
  3. Step 3: Cross multiply
    8,122.62x = 11,209.20 × 4,396.62
  4. Step 4: Simplify right side
    8,122.62x = 49,282,592.90
  5. Step 5: Solve for x
    x = 49,282,592.90/8,122.62
  6. Step 6: Final answer
    x = 6,067.33

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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.