Home / 5,452.67-8,179.79-2,679.50

Finding the Fourth Proportional to 5,452.67, 8,179.79 and 2,679.50

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Solution

The fourth proportional to 5,452.67, 8,179.79 and 2,679.50 is: 4,019.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452.67 : 8,179.79 = 2,679.50 : x
  2. Step 2: Convert to fraction form
    5,452.67/8,179.79 = 2,679.50/x
  3. Step 3: Cross multiply
    5,452.67x = 8,179.79 × 2,679.50
  4. Step 4: Simplify right side
    5,452.67x = 21,917,693.01
  5. Step 5: Solve for x
    x = 21,917,693.01/5,452.67
  6. Step 6: Final answer
    x = 4,019.63

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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.