Home / 9,179.43-13,769.67-2,605.09

Finding the Fourth Proportional to 9,179.43, 13,769.67 and 2,605.09

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Solution

The fourth proportional to 9,179.43, 13,769.67 and 2,605.09 is: 3,907.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179.43 : 13,769.67 = 2,605.09 : x
  2. Step 2: Convert to fraction form
    9,179.43/13,769.67 = 2,605.09/x
  3. Step 3: Cross multiply
    9,179.43x = 13,769.67 × 2,605.09
  4. Step 4: Simplify right side
    9,179.43x = 35,871,229.62
  5. Step 5: Solve for x
    x = 35,871,229.62/9,179.43
  6. Step 6: Final answer
    x = 3,907.78

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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.