Home / 7,239.22-10,841.82-3,529.83

Finding the Fourth Proportional to 7,239.22, 10,841.82 and 3,529.83

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Solution

The fourth proportional to 7,239.22, 10,841.82 and 3,529.83 is: 5,286.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.22 : 10,841.82 = 3,529.83 : x
  2. Step 2: Convert to fraction form
    7,239.22/10,841.82 = 3,529.83/x
  3. Step 3: Cross multiply
    7,239.22x = 10,841.82 × 3,529.83
  4. Step 4: Simplify right side
    7,239.22x = 38,269,781.49
  5. Step 5: Solve for x
    x = 38,269,781.49/7,239.22
  6. Step 6: Final answer
    x = 5,286.45

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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.