Home / 5,452.88-8,183.39-2,121.65

Finding the Fourth Proportional to 5,452.88, 8,183.39 and 2,121.65

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Solution

The fourth proportional to 5,452.88, 8,183.39 and 2,121.65 is: 3,184.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452.88 : 8,183.39 = 2,121.65 : x
  2. Step 2: Convert to fraction form
    5,452.88/8,183.39 = 2,121.65/x
  3. Step 3: Cross multiply
    5,452.88x = 8,183.39 × 2,121.65
  4. Step 4: Simplify right side
    5,452.88x = 17,362,289.39
  5. Step 5: Solve for x
    x = 17,362,289.39/5,452.88
  6. Step 6: Final answer
    x = 3,184.06

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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.