Home / 5,440.40-8,163.30-3,102.20

Finding the Fourth Proportional to 5,440.40, 8,163.30 and 3,102.20

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Solution

The fourth proportional to 5,440.40, 8,163.30 and 3,102.20 is: 4,654.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.40 : 8,163.30 = 3,102.20 : x
  2. Step 2: Convert to fraction form
    5,440.40/8,163.30 = 3,102.20/x
  3. Step 3: Cross multiply
    5,440.40x = 8,163.30 × 3,102.20
  4. Step 4: Simplify right side
    5,440.40x = 25,324,189.26
  5. Step 5: Solve for x
    x = 25,324,189.26/5,440.40
  6. Step 6: Final answer
    x = 4,654.84

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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.