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Finding the Fourth Proportional to 8,014.52, 12,021.78 and 2,819.18

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Solution

The fourth proportional to 8,014.52, 12,021.78 and 2,819.18 is: 4,228.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,014.52 : 12,021.78 = 2,819.18 : x
  2. Step 2: Convert to fraction form
    8,014.52/12,021.78 = 2,819.18/x
  3. Step 3: Cross multiply
    8,014.52x = 12,021.78 × 2,819.18
  4. Step 4: Simplify right side
    8,014.52x = 33,891,561.74
  5. Step 5: Solve for x
    x = 33,891,561.74/8,014.52
  6. Step 6: Final answer
    x = 4,228.77

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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.