Home / 5,388.35-8,091.03-3,206.82

Finding the Fourth Proportional to 5,388.35, 8,091.03 and 3,206.82

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Solution

The fourth proportional to 5,388.35, 8,091.03 and 3,206.82 is: 4,815.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.35 : 8,091.03 = 3,206.82 : x
  2. Step 2: Convert to fraction form
    5,388.35/8,091.03 = 3,206.82/x
  3. Step 3: Cross multiply
    5,388.35x = 8,091.03 × 3,206.82
  4. Step 4: Simplify right side
    5,388.35x = 25,946,476.82
  5. Step 5: Solve for x
    x = 25,946,476.82/5,388.35
  6. Step 6: Final answer
    x = 4,815.29

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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.