Home / 9,229.79-13,843.33-2,990.36

Finding the Fourth Proportional to 9,229.79, 13,843.33 and 2,990.36

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Solution

The fourth proportional to 9,229.79, 13,843.33 and 2,990.36 is: 4,485.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,229.79 : 13,843.33 = 2,990.36 : x
  2. Step 2: Convert to fraction form
    9,229.79/13,843.33 = 2,990.36/x
  3. Step 3: Cross multiply
    9,229.79x = 13,843.33 × 2,990.36
  4. Step 4: Simplify right side
    9,229.79x = 41,396,463.61
  5. Step 5: Solve for x
    x = 41,396,463.61/9,229.79
  6. Step 6: Final answer
    x = 4,485.09

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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.