Home / 4,748.48-7,122.73-3,163.85

Finding the Fourth Proportional to 4,748.48, 7,122.73 and 3,163.85

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Solution

The fourth proportional to 4,748.48, 7,122.73 and 3,163.85 is: 4,745.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.48 : 7,122.73 = 3,163.85 : x
  2. Step 2: Convert to fraction form
    4,748.48/7,122.73 = 3,163.85/x
  3. Step 3: Cross multiply
    4,748.48x = 7,122.73 × 3,163.85
  4. Step 4: Simplify right side
    4,748.48x = 22,535,259.21
  5. Step 5: Solve for x
    x = 22,535,259.21/4,748.48
  6. Step 6: Final answer
    x = 4,745.78

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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.