Home / 7,481.57-11,219.61-2,549.88

Finding the Fourth Proportional to 7,481.57, 11,219.61 and 2,549.88

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Solution

The fourth proportional to 7,481.57, 11,219.61 and 2,549.88 is: 3,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.57 : 11,219.61 = 2,549.88 : x
  2. Step 2: Convert to fraction form
    7,481.57/11,219.61 = 2,549.88/x
  3. Step 3: Cross multiply
    7,481.57x = 11,219.61 × 2,549.88
  4. Step 4: Simplify right side
    7,481.57x = 28,608,668.71
  5. Step 5: Solve for x
    x = 28,608,668.71/7,481.57
  6. Step 6: Final answer
    x = 3,823.89

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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.