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Finding the Fourth Proportional to 8,046.30, 11,109.09 and 6,557.78

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Solution

The fourth proportional to 8,046.30, 11,109.09 and 6,557.78 is: 9,053.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,046.30 : 11,109.09 = 6,557.78 : x
  2. Step 2: Convert to fraction form
    8,046.30/11,109.09 = 6,557.78/x
  3. Step 3: Cross multiply
    8,046.30x = 11,109.09 × 6,557.78
  4. Step 4: Simplify right side
    8,046.30x = 72,850,968.22
  5. Step 5: Solve for x
    x = 72,850,968.22/8,046.30
  6. Step 6: Final answer
    x = 9,053.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.