Home / 6,627.80-9,938.82-2,009.72

Finding the Fourth Proportional to 6,627.80, 9,938.82 and 2,009.72

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Solution

The fourth proportional to 6,627.80, 9,938.82 and 2,009.72 is: 3,013.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.80 : 9,938.82 = 2,009.72 : x
  2. Step 2: Convert to fraction form
    6,627.80/9,938.82 = 2,009.72/x
  3. Step 3: Cross multiply
    6,627.80x = 9,938.82 × 2,009.72
  4. Step 4: Simplify right side
    6,627.80x = 19,974,245.33
  5. Step 5: Solve for x
    x = 19,974,245.33/6,627.80
  6. Step 6: Final answer
    x = 3,013.71

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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.