Home / 7,992.27-11,988.41-2,149.47

Finding the Fourth Proportional to 7,992.27, 11,988.41 and 2,149.47

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Solution

The fourth proportional to 7,992.27, 11,988.41 and 2,149.47 is: 3,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.27 : 11,988.41 = 2,149.47 : x
  2. Step 2: Convert to fraction form
    7,992.27/11,988.41 = 2,149.47/x
  3. Step 3: Cross multiply
    7,992.27x = 11,988.41 × 2,149.47
  4. Step 4: Simplify right side
    7,992.27x = 25,768,716.90
  5. Step 5: Solve for x
    x = 25,768,716.90/7,992.27
  6. Step 6: Final answer
    x = 3,224.21

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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.