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Finding the Fourth Proportional to 6,633.76, 9,923.28 and 5,450.44

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Solution

The fourth proportional to 6,633.76, 9,923.28 and 5,450.44 is: 8,153.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,633.76 : 9,923.28 = 5,450.44 : x
  2. Step 2: Convert to fraction form
    6,633.76/9,923.28 = 5,450.44/x
  3. Step 3: Cross multiply
    6,633.76x = 9,923.28 × 5,450.44
  4. Step 4: Simplify right side
    6,633.76x = 54,086,242.24
  5. Step 5: Solve for x
    x = 54,086,242.24/6,633.76
  6. Step 6: Final answer
    x = 8,153.18

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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.