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Finding the Fourth Proportional to 8,008.79, 12,014.87 and 2,743.38

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Solution

The fourth proportional to 8,008.79, 12,014.87 and 2,743.38 is: 4,115.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008.79 : 12,014.87 = 2,743.38 : x
  2. Step 2: Convert to fraction form
    8,008.79/12,014.87 = 2,743.38/x
  3. Step 3: Cross multiply
    8,008.79x = 12,014.87 × 2,743.38
  4. Step 4: Simplify right side
    8,008.79x = 32,961,340.34
  5. Step 5: Solve for x
    x = 32,961,340.34/8,008.79
  6. Step 6: Final answer
    x = 4,115.65

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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.