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Finding the Fourth Proportional to 8,998.75, 13,500.29 and 2,842.75

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Solution

The fourth proportional to 8,998.75, 13,500.29 and 2,842.75 is: 4,264.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.75 : 13,500.29 = 2,842.75 : x
  2. Step 2: Convert to fraction form
    8,998.75/13,500.29 = 2,842.75/x
  3. Step 3: Cross multiply
    8,998.75x = 13,500.29 × 2,842.75
  4. Step 4: Simplify right side
    8,998.75x = 38,377,949.40
  5. Step 5: Solve for x
    x = 38,377,949.40/8,998.75
  6. Step 6: Final answer
    x = 4,264.81

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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.