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Finding the Fourth Proportional to 5,225.79, 7,211.35 and 2,867.88

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Solution

The fourth proportional to 5,225.79, 7,211.35 and 2,867.88 is: 3,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.79 : 7,211.35 = 2,867.88 : x
  2. Step 2: Convert to fraction form
    5,225.79/7,211.35 = 2,867.88/x
  3. Step 3: Cross multiply
    5,225.79x = 7,211.35 × 2,867.88
  4. Step 4: Simplify right side
    5,225.79x = 20,681,286.44
  5. Step 5: Solve for x
    x = 20,681,286.44/5,225.79
  6. Step 6: Final answer
    x = 3,957.54

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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.