Home / 8,073.28-12,109.56-2,229.76

Finding the Fourth Proportional to 8,073.28, 12,109.56 and 2,229.76

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Solution

The fourth proportional to 8,073.28, 12,109.56 and 2,229.76 is: 3,344.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073.28 : 12,109.56 = 2,229.76 : x
  2. Step 2: Convert to fraction form
    8,073.28/12,109.56 = 2,229.76/x
  3. Step 3: Cross multiply
    8,073.28x = 12,109.56 × 2,229.76
  4. Step 4: Simplify right side
    8,073.28x = 27,001,412.51
  5. Step 5: Solve for x
    x = 27,001,412.51/8,073.28
  6. Step 6: Final answer
    x = 3,344.54

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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.