Home / 7,163.90-10,743.75-3,003.78

Finding the Fourth Proportional to 7,163.90, 10,743.75 and 3,003.78

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Solution

The fourth proportional to 7,163.90, 10,743.75 and 3,003.78 is: 4,504.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.90 : 10,743.75 = 3,003.78 : x
  2. Step 2: Convert to fraction form
    7,163.90/10,743.75 = 3,003.78/x
  3. Step 3: Cross multiply
    7,163.90x = 10,743.75 × 3,003.78
  4. Step 4: Simplify right side
    7,163.90x = 32,271,861.38
  5. Step 5: Solve for x
    x = 32,271,861.38/7,163.90
  6. Step 6: Final answer
    x = 4,504.79

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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.