Home / 7,998.20-11,994.57-2,731.17

Finding the Fourth Proportional to 7,998.20, 11,994.57 and 2,731.17

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Solution

The fourth proportional to 7,998.20, 11,994.57 and 2,731.17 is: 4,095.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.20 : 11,994.57 = 2,731.17 : x
  2. Step 2: Convert to fraction form
    7,998.20/11,994.57 = 2,731.17/x
  3. Step 3: Cross multiply
    7,998.20x = 11,994.57 × 2,731.17
  4. Step 4: Simplify right side
    7,998.20x = 32,759,209.75
  5. Step 5: Solve for x
    x = 32,759,209.75/7,998.20
  6. Step 6: Final answer
    x = 4,095.83

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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.