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Finding the Fourth Proportional to 6,376.58, 8,799.62 and 3,543.97

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Solution

The fourth proportional to 6,376.58, 8,799.62 and 3,543.97 is: 4,890.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.58 : 8,799.62 = 3,543.97 : x
  2. Step 2: Convert to fraction form
    6,376.58/8,799.62 = 3,543.97/x
  3. Step 3: Cross multiply
    6,376.58x = 8,799.62 × 3,543.97
  4. Step 4: Simplify right side
    6,376.58x = 31,185,540.86
  5. Step 5: Solve for x
    x = 31,185,540.86/6,376.58
  6. Step 6: Final answer
    x = 4,890.64

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Why These Related Problems?

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