Home / 4,163.25-5,745.80-2,670.63

Finding the Fourth Proportional to 4,163.25, 5,745.80 and 2,670.63

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Solution

The fourth proportional to 4,163.25, 5,745.80 and 2,670.63 is: 3,685.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,163.25 : 5,745.80 = 2,670.63 : x
  2. Step 2: Convert to fraction form
    4,163.25/5,745.80 = 2,670.63/x
  3. Step 3: Cross multiply
    4,163.25x = 5,745.80 × 2,670.63
  4. Step 4: Simplify right side
    4,163.25x = 15,344,905.85
  5. Step 5: Solve for x
    x = 15,344,905.85/4,163.25
  6. Step 6: Final answer
    x = 3,685.80

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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.