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Finding the Fourth Proportional to 6,661.58, 9,992.53 and 2,279.00

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Solution

The fourth proportional to 6,661.58, 9,992.53 and 2,279.00 is: 3,418.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.58 : 9,992.53 = 2,279.00 : x
  2. Step 2: Convert to fraction form
    6,661.58/9,992.53 = 2,279.00/x
  3. Step 3: Cross multiply
    6,661.58x = 9,992.53 × 2,279.00
  4. Step 4: Simplify right side
    6,661.58x = 22,773,003.70
  5. Step 5: Solve for x
    x = 22,773,003.70/6,661.58
  6. Step 6: Final answer
    x = 3,418.56

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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.