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Finding the Fourth Proportional to 7,229.34, 10,842.19 and 3,067.20

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Solution

The fourth proportional to 7,229.34, 10,842.19 and 3,067.20 is: 4,600.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229.34 : 10,842.19 = 3,067.20 : x
  2. Step 2: Convert to fraction form
    7,229.34/10,842.19 = 3,067.20/x
  3. Step 3: Cross multiply
    7,229.34x = 10,842.19 × 3,067.20
  4. Step 4: Simplify right side
    7,229.34x = 33,255,165.17
  5. Step 5: Solve for x
    x = 33,255,165.17/7,229.34
  6. Step 6: Final answer
    x = 4,600.03

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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.