Home / 5,546.90-7,654.78-3,189.26

Finding the Fourth Proportional to 5,546.90, 7,654.78 and 3,189.26

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Solution

The fourth proportional to 5,546.90, 7,654.78 and 3,189.26 is: 4,401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,546.90 : 7,654.78 = 3,189.26 : x
  2. Step 2: Convert to fraction form
    5,546.90/7,654.78 = 3,189.26/x
  3. Step 3: Cross multiply
    5,546.90x = 7,654.78 × 3,189.26
  4. Step 4: Simplify right side
    5,546.90x = 24,413,083.66
  5. Step 5: Solve for x
    x = 24,413,083.66/5,546.90
  6. Step 6: Final answer
    x = 4,401.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.