Home / 8,967.70-13,450.67-2,727.78

Finding the Fourth Proportional to 8,967.70, 13,450.67 and 2,727.78

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Solution

The fourth proportional to 8,967.70, 13,450.67 and 2,727.78 is: 4,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,967.70 : 13,450.67 = 2,727.78 : x
  2. Step 2: Convert to fraction form
    8,967.70/13,450.67 = 2,727.78/x
  3. Step 3: Cross multiply
    8,967.70x = 13,450.67 × 2,727.78
  4. Step 4: Simplify right side
    8,967.70x = 36,690,468.61
  5. Step 5: Solve for x
    x = 36,690,468.61/8,967.70
  6. Step 6: Final answer
    x = 4,091.40

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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.