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Finding the Fourth Proportional to 8,019.84, 12,029.76 and 2,826.12

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Solution

The fourth proportional to 8,019.84, 12,029.76 and 2,826.12 is: 4,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019.84 : 12,029.76 = 2,826.12 : x
  2. Step 2: Convert to fraction form
    8,019.84/12,029.76 = 2,826.12/x
  3. Step 3: Cross multiply
    8,019.84x = 12,029.76 × 2,826.12
  4. Step 4: Simplify right side
    8,019.84x = 33,997,545.33
  5. Step 5: Solve for x
    x = 33,997,545.33/8,019.84
  6. Step 6: Final answer
    x = 4,239.18

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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.