Home / 4,769.28-7,153.92-2,175.12

Finding the Fourth Proportional to 4,769.28, 7,153.92 and 2,175.12

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Solution

The fourth proportional to 4,769.28, 7,153.92 and 2,175.12 is: 3,262.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769.28 : 7,153.92 = 2,175.12 : x
  2. Step 2: Convert to fraction form
    4,769.28/7,153.92 = 2,175.12/x
  3. Step 3: Cross multiply
    4,769.28x = 7,153.92 × 2,175.12
  4. Step 4: Simplify right side
    4,769.28x = 15,560,634.47
  5. Step 5: Solve for x
    x = 15,560,634.47/4,769.28
  6. Step 6: Final answer
    x = 3,262.68

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Similar ratio
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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.