Home / 5,147.28-7,722.09-2,226.42

Finding the Fourth Proportional to 5,147.28, 7,722.09 and 2,226.42

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Solution

The fourth proportional to 5,147.28, 7,722.09 and 2,226.42 is: 3,340.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.28 : 7,722.09 = 2,226.42 : x
  2. Step 2: Convert to fraction form
    5,147.28/7,722.09 = 2,226.42/x
  3. Step 3: Cross multiply
    5,147.28x = 7,722.09 × 2,226.42
  4. Step 4: Simplify right side
    5,147.28x = 17,192,615.62
  5. Step 5: Solve for x
    x = 17,192,615.62/5,147.28
  6. Step 6: Final answer
    x = 3,340.14

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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.