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Finding the Fourth Proportional to 6,662.64, 9,993.36 and 2,279.83

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Solution

The fourth proportional to 6,662.64, 9,993.36 and 2,279.83 is: 3,419.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662.64 : 9,993.36 = 2,279.83 : x
  2. Step 2: Convert to fraction form
    6,662.64/9,993.36 = 2,279.83/x
  3. Step 3: Cross multiply
    6,662.64x = 9,993.36 × 2,279.83
  4. Step 4: Simplify right side
    6,662.64x = 22,783,161.93
  5. Step 5: Solve for x
    x = 22,783,161.93/6,662.64
  6. Step 6: Final answer
    x = 3,419.54

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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.