Home / 4,163.09-5,745.21-2,748.02

Finding the Fourth Proportional to 4,163.09, 5,745.21 and 2,748.02

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Solution

The fourth proportional to 4,163.09, 5,745.21 and 2,748.02 is: 3,792.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,163.09 : 5,745.21 = 2,748.02 : x
  2. Step 2: Convert to fraction form
    4,163.09/5,745.21 = 2,748.02/x
  3. Step 3: Cross multiply
    4,163.09x = 5,745.21 × 2,748.02
  4. Step 4: Simplify right side
    4,163.09x = 15,787,951.98
  5. Step 5: Solve for x
    x = 15,787,951.98/4,163.09
  6. Step 6: Final answer
    x = 3,792.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.