Home / 5,183.65-7,771.54-2,682.15

Finding the Fourth Proportional to 5,183.65, 7,771.54 and 2,682.15

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Solution

The fourth proportional to 5,183.65, 7,771.54 and 2,682.15 is: 4,021.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.65 : 7,771.54 = 2,682.15 : x
  2. Step 2: Convert to fraction form
    5,183.65/7,771.54 = 2,682.15/x
  3. Step 3: Cross multiply
    5,183.65x = 7,771.54 × 2,682.15
  4. Step 4: Simplify right side
    5,183.65x = 20,844,436.01
  5. Step 5: Solve for x
    x = 20,844,436.01/5,183.65
  6. Step 6: Final answer
    x = 4,021.19

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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.