Home / 7,781.72-11,670.96-2,233.83

Finding the Fourth Proportional to 7,781.72, 11,670.96 and 2,233.83

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Solution

The fourth proportional to 7,781.72, 11,670.96 and 2,233.83 is: 3,350.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,781.72 : 11,670.96 = 2,233.83 : x
  2. Step 2: Convert to fraction form
    7,781.72/11,670.96 = 2,233.83/x
  3. Step 3: Cross multiply
    7,781.72x = 11,670.96 × 2,233.83
  4. Step 4: Simplify right side
    7,781.72x = 26,070,940.58
  5. Step 5: Solve for x
    x = 26,070,940.58/7,781.72
  6. Step 6: Final answer
    x = 3,350.28

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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.