Home / 7,843.68-11,768.58-3,458.04

Finding the Fourth Proportional to 7,843.68, 11,768.58 and 3,458.04

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Solution

The fourth proportional to 7,843.68, 11,768.58 and 3,458.04 is: 5,188.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,843.68 : 11,768.58 = 3,458.04 : x
  2. Step 2: Convert to fraction form
    7,843.68/11,768.58 = 3,458.04/x
  3. Step 3: Cross multiply
    7,843.68x = 11,768.58 × 3,458.04
  4. Step 4: Simplify right side
    7,843.68x = 40,696,220.38
  5. Step 5: Solve for x
    x = 40,696,220.38/7,843.68
  6. Step 6: Final answer
    x = 5,188.41

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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.