Home / 6,558.72-9,839.82-2,661

Finding the Fourth Proportional to 6,558.72, 9,839.82 and 2,661

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Solution

The fourth proportional to 6,558.72, 9,839.82 and 2,661 is: 3,992.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,558.72 : 9,839.82 = 2,661 : x
  2. Step 2: Convert to fraction form
    6,558.72/9,839.82 = 2,661/x
  3. Step 3: Cross multiply
    6,558.72x = 9,839.82 × 2,661
  4. Step 4: Simplify right side
    6,558.72x = 26,183,761.02
  5. Step 5: Solve for x
    x = 26,183,761.02/6,558.72
  6. Step 6: Final answer
    x = 3,992.21

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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.