Home / 7,194.39-10,792.94-2,811.57

Finding the Fourth Proportional to 7,194.39, 10,792.94 and 2,811.57

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Solution

The fourth proportional to 7,194.39, 10,792.94 and 2,811.57 is: 4,217.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,194.39 : 10,792.94 = 2,811.57 : x
  2. Step 2: Convert to fraction form
    7,194.39/10,792.94 = 2,811.57/x
  3. Step 3: Cross multiply
    7,194.39x = 10,792.94 × 2,811.57
  4. Step 4: Simplify right side
    7,194.39x = 30,345,092.26
  5. Step 5: Solve for x
    x = 30,345,092.26/7,194.39
  6. Step 6: Final answer
    x = 4,217.88

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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.