Home / 8,823.06-13,236.57-2,979.36

Finding the Fourth Proportional to 8,823.06, 13,236.57 and 2,979.36

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Solution

The fourth proportional to 8,823.06, 13,236.57 and 2,979.36 is: 4,469.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,823.06 : 13,236.57 = 2,979.36 : x
  2. Step 2: Convert to fraction form
    8,823.06/13,236.57 = 2,979.36/x
  3. Step 3: Cross multiply
    8,823.06x = 13,236.57 × 2,979.36
  4. Step 4: Simplify right side
    8,823.06x = 39,436,507.20
  5. Step 5: Solve for x
    x = 39,436,507.20/8,823.06
  6. Step 6: Final answer
    x = 4,469.71

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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.