Home / 5,396.44-8,097.90-2,109.88

Finding the Fourth Proportional to 5,396.44, 8,097.90 and 2,109.88

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Solution

The fourth proportional to 5,396.44, 8,097.90 and 2,109.88 is: 3,166.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.44 : 8,097.90 = 2,109.88 : x
  2. Step 2: Convert to fraction form
    5,396.44/8,097.90 = 2,109.88/x
  3. Step 3: Cross multiply
    5,396.44x = 8,097.90 × 2,109.88
  4. Step 4: Simplify right side
    5,396.44x = 17,085,597.25
  5. Step 5: Solve for x
    x = 17,085,597.25/5,396.44
  6. Step 6: Final answer
    x = 3,166.09

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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.