Home / 8,908.20-13,359.72-2,667.96

Finding the Fourth Proportional to 8,908.20, 13,359.72 and 2,667.96

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Solution

The fourth proportional to 8,908.20, 13,359.72 and 2,667.96 is: 4,001.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.20 : 13,359.72 = 2,667.96 : x
  2. Step 2: Convert to fraction form
    8,908.20/13,359.72 = 2,667.96/x
  3. Step 3: Cross multiply
    8,908.20x = 13,359.72 × 2,667.96
  4. Step 4: Simplify right side
    8,908.20x = 35,643,198.57
  5. Step 5: Solve for x
    x = 35,643,198.57/8,908.20
  6. Step 6: Final answer
    x = 4,001.17

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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.