Home / 4,765.50-7,144.20-2,133.81

Finding the Fourth Proportional to 4,765.50, 7,144.20 and 2,133.81

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Solution

The fourth proportional to 4,765.50, 7,144.20 and 2,133.81 is: 3,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,765.50 : 7,144.20 = 2,133.81 : x
  2. Step 2: Convert to fraction form
    4,765.50/7,144.20 = 2,133.81/x
  3. Step 3: Cross multiply
    4,765.50x = 7,144.20 × 2,133.81
  4. Step 4: Simplify right side
    4,765.50x = 15,244,365.40
  5. Step 5: Solve for x
    x = 15,244,365.40/4,765.50
  6. Step 6: Final answer
    x = 3,198.90

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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.