Home / 5,452.18-8,174.62-2,164.39

Finding the Fourth Proportional to 5,452.18, 8,174.62 and 2,164.39

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Solution

The fourth proportional to 5,452.18, 8,174.62 and 2,164.39 is: 3,245.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452.18 : 8,174.62 = 2,164.39 : x
  2. Step 2: Convert to fraction form
    5,452.18/8,174.62 = 2,164.39/x
  3. Step 3: Cross multiply
    5,452.18x = 8,174.62 × 2,164.39
  4. Step 4: Simplify right side
    5,452.18x = 17,693,065.78
  5. Step 5: Solve for x
    x = 17,693,065.78/5,452.18
  6. Step 6: Final answer
    x = 3,245.14

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1.5x scale

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.