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Finding the Fourth Proportional to 6,211.64, 8,573.28 and 3,560.82

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Solution

The fourth proportional to 6,211.64, 8,573.28 and 3,560.82 is: 4,914.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.64 : 8,573.28 = 3,560.82 : x
  2. Step 2: Convert to fraction form
    6,211.64/8,573.28 = 3,560.82/x
  3. Step 3: Cross multiply
    6,211.64x = 8,573.28 × 3,560.82
  4. Step 4: Simplify right side
    6,211.64x = 30,527,906.89
  5. Step 5: Solve for x
    x = 30,527,906.89/6,211.64
  6. Step 6: Final answer
    x = 4,914.63

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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.