Home / 5,183.72-7,774.42-2,515.22

Finding the Fourth Proportional to 5,183.72, 7,774.42 and 2,515.22

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Solution

The fourth proportional to 5,183.72, 7,774.42 and 2,515.22 is: 3,772.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.72 : 7,774.42 = 2,515.22 : x
  2. Step 2: Convert to fraction form
    5,183.72/7,774.42 = 2,515.22/x
  3. Step 3: Cross multiply
    5,183.72x = 7,774.42 × 2,515.22
  4. Step 4: Simplify right side
    5,183.72x = 19,554,365.38
  5. Step 5: Solve for x
    x = 19,554,365.38/5,183.72
  6. Step 6: Final answer
    x = 3,772.27

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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.