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Finding the Fourth Proportional to 6,626, 9,939 and 2,009.36

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Solution

The fourth proportional to 6,626, 9,939 and 2,009.36 is: 3,014.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626 : 9,939 = 2,009.36 : x
  2. Step 2: Convert to fraction form
    6,626/9,939 = 2,009.36/x
  3. Step 3: Cross multiply
    6,626x = 9,939 × 2,009.36
  4. Step 4: Simplify right side
    6,626x = 19,971,029.04
  5. Step 5: Solve for x
    x = 19,971,029.04/6,626
  6. Step 6: Final answer
    x = 3,014.04

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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.