Home / 5,455.71-8,181.30-3,372.66

Finding the Fourth Proportional to 5,455.71, 8,181.30 and 3,372.66

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Solution

The fourth proportional to 5,455.71, 8,181.30 and 3,372.66 is: 5,057.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.71 : 8,181.30 = 3,372.66 : x
  2. Step 2: Convert to fraction form
    5,455.71/8,181.30 = 3,372.66/x
  3. Step 3: Cross multiply
    5,455.71x = 8,181.30 × 3,372.66
  4. Step 4: Simplify right side
    5,455.71x = 27,592,743.26
  5. Step 5: Solve for x
    x = 27,592,743.26/5,455.71
  6. Step 6: Final answer
    x = 5,057.59

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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.