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Finding the Fourth Proportional to 8,018.68, 12,011.68 and 3,845.97

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Solution

The fourth proportional to 8,018.68, 12,011.68 and 3,845.97 is: 5,761.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018.68 : 12,011.68 = 3,845.97 : x
  2. Step 2: Convert to fraction form
    8,018.68/12,011.68 = 3,845.97/x
  3. Step 3: Cross multiply
    8,018.68x = 12,011.68 × 3,845.97
  4. Step 4: Simplify right side
    8,018.68x = 46,196,560.93
  5. Step 5: Solve for x
    x = 46,196,560.93/8,018.68
  6. Step 6: Final answer
    x = 5,761.12

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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.