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Finding the Fourth Proportional to 6,878.97, 10,318.59 and 2,718

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Solution

The fourth proportional to 6,878.97, 10,318.59 and 2,718 is: 4,077.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878.97 : 10,318.59 = 2,718 : x
  2. Step 2: Convert to fraction form
    6,878.97/10,318.59 = 2,718/x
  3. Step 3: Cross multiply
    6,878.97x = 10,318.59 × 2,718
  4. Step 4: Simplify right side
    6,878.97x = 28,045,927.62
  5. Step 5: Solve for x
    x = 28,045,927.62/6,878.97
  6. Step 6: Final answer
    x = 4,077.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.