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Finding the Fourth Proportional to 6,662.75, 9,990.96 and 2,499.54

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Solution

The fourth proportional to 6,662.75, 9,990.96 and 2,499.54 is: 3,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662.75 : 9,990.96 = 2,499.54 : x
  2. Step 2: Convert to fraction form
    6,662.75/9,990.96 = 2,499.54/x
  3. Step 3: Cross multiply
    6,662.75x = 9,990.96 × 2,499.54
  4. Step 4: Simplify right side
    6,662.75x = 24,972,804.16
  5. Step 5: Solve for x
    x = 24,972,804.16/6,662.75
  6. Step 6: Final answer
    x = 3,748.13

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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.