Home / 4,163.55-5,745.77-2,275.12

Finding the Fourth Proportional to 4,163.55, 5,745.77 and 2,275.12

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Solution

The fourth proportional to 4,163.55, 5,745.77 and 2,275.12 is: 3,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,163.55 : 5,745.77 = 2,275.12 : x
  2. Step 2: Convert to fraction form
    4,163.55/5,745.77 = 2,275.12/x
  3. Step 3: Cross multiply
    4,163.55x = 5,745.77 × 2,275.12
  4. Step 4: Simplify right side
    4,163.55x = 13,072,290.50
  5. Step 5: Solve for x
    x = 13,072,290.50/4,163.55
  6. Step 6: Final answer
    x = 3,139.70

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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.