Home / 8,698.38-13,049.79-2,855.04

Finding the Fourth Proportional to 8,698.38, 13,049.79 and 2,855.04

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Solution

The fourth proportional to 8,698.38, 13,049.79 and 2,855.04 is: 4,283.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698.38 : 13,049.79 = 2,855.04 : x
  2. Step 2: Convert to fraction form
    8,698.38/13,049.79 = 2,855.04/x
  3. Step 3: Cross multiply
    8,698.38x = 13,049.79 × 2,855.04
  4. Step 4: Simplify right side
    8,698.38x = 37,257,672.44
  5. Step 5: Solve for x
    x = 37,257,672.44/8,698.38
  6. Step 6: Final answer
    x = 4,283.29

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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.