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Finding the Fourth Proportional to 6,625.88, 9,938.81 and 2,008.88

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Solution

The fourth proportional to 6,625.88, 9,938.81 and 2,008.88 is: 3,013.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.88 : 9,938.81 = 2,008.88 : x
  2. Step 2: Convert to fraction form
    6,625.88/9,938.81 = 2,008.88/x
  3. Step 3: Cross multiply
    6,625.88x = 9,938.81 × 2,008.88
  4. Step 4: Simplify right side
    6,625.88x = 19,965,831.96
  5. Step 5: Solve for x
    x = 19,965,831.96/6,625.88
  6. Step 6: Final answer
    x = 3,013.31

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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.