Home / 6,626.12-9,940.62-2,009

Finding the Fourth Proportional to 6,626.12, 9,940.62 and 2,009

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Solution

The fourth proportional to 6,626.12, 9,940.62 and 2,009 is: 3,013.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.12 : 9,940.62 = 2,009 : x
  2. Step 2: Convert to fraction form
    6,626.12/9,940.62 = 2,009/x
  3. Step 3: Cross multiply
    6,626.12x = 9,940.62 × 2,009
  4. Step 4: Simplify right side
    6,626.12x = 19,970,705.58
  5. Step 5: Solve for x
    x = 19,970,705.58/6,626.12
  6. Step 6: Final answer
    x = 3,013.94

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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.