Home / 8,974.68-13,458.42-3,425.04

Finding the Fourth Proportional to 8,974.68, 13,458.42 and 3,425.04

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Solution

The fourth proportional to 8,974.68, 13,458.42 and 3,425.04 is: 5,136.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974.68 : 13,458.42 = 3,425.04 : x
  2. Step 2: Convert to fraction form
    8,974.68/13,458.42 = 3,425.04/x
  3. Step 3: Cross multiply
    8,974.68x = 13,458.42 × 3,425.04
  4. Step 4: Simplify right side
    8,974.68x = 46,095,626.84
  5. Step 5: Solve for x
    x = 46,095,626.84/8,974.68
  6. Step 6: Final answer
    x = 5,136.19

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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.