Home / 5,250.39-7,245.71-2,892.62

Finding the Fourth Proportional to 5,250.39, 7,245.71 and 2,892.62

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Solution

The fourth proportional to 5,250.39, 7,245.71 and 2,892.62 is: 3,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.39 : 7,245.71 = 2,892.62 : x
  2. Step 2: Convert to fraction form
    5,250.39/7,245.71 = 2,892.62/x
  3. Step 3: Cross multiply
    5,250.39x = 7,245.71 × 2,892.62
  4. Step 4: Simplify right side
    5,250.39x = 20,959,034.97
  5. Step 5: Solve for x
    x = 20,959,034.97/5,250.39
  6. Step 6: Final answer
    x = 3,991.90

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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.