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Finding the Fourth Proportional to 8,029.68, 12,043.08 and 2,834.64

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Solution

The fourth proportional to 8,029.68, 12,043.08 and 2,834.64 is: 4,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,029.68 : 12,043.08 = 2,834.64 : x
  2. Step 2: Convert to fraction form
    8,029.68/12,043.08 = 2,834.64/x
  3. Step 3: Cross multiply
    8,029.68x = 12,043.08 × 2,834.64
  4. Step 4: Simplify right side
    8,029.68x = 34,137,796.29
  5. Step 5: Solve for x
    x = 34,137,796.29/8,029.68
  6. Step 6: Final answer
    x = 4,251.45

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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.