Home / 5,452.20-8,179.65-2,164.20

Finding the Fourth Proportional to 5,452.20, 8,179.65 and 2,164.20

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Solution

The fourth proportional to 5,452.20, 8,179.65 and 2,164.20 is: 3,246.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452.20 : 8,179.65 = 2,164.20 : x
  2. Step 2: Convert to fraction form
    5,452.20/8,179.65 = 2,164.20/x
  3. Step 3: Cross multiply
    5,452.20x = 8,179.65 × 2,164.20
  4. Step 4: Simplify right side
    5,452.20x = 17,702,398.53
  5. Step 5: Solve for x
    x = 17,702,398.53/5,452.20
  6. Step 6: Final answer
    x = 3,246.84

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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.