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Finding the Fourth Proportional to 6,662.87, 10,003.52 and 3,378.25

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Solution

The fourth proportional to 6,662.87, 10,003.52 and 3,378.25 is: 5,072.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662.87 : 10,003.52 = 3,378.25 : x
  2. Step 2: Convert to fraction form
    6,662.87/10,003.52 = 3,378.25/x
  3. Step 3: Cross multiply
    6,662.87x = 10,003.52 × 3,378.25
  4. Step 4: Simplify right side
    6,662.87x = 33,794,349.54
  5. Step 5: Solve for x
    x = 33,794,349.54/6,662.87
  6. Step 6: Final answer
    x = 5,072.04

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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.