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Finding the Fourth Proportional to 5,194.58, 7,168.70 and 2,836.90

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Solution

The fourth proportional to 5,194.58, 7,168.70 and 2,836.90 is: 3,915.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.58 : 7,168.70 = 2,836.90 : x
  2. Step 2: Convert to fraction form
    5,194.58/7,168.70 = 2,836.90/x
  3. Step 3: Cross multiply
    5,194.58x = 7,168.70 × 2,836.90
  4. Step 4: Simplify right side
    5,194.58x = 20,336,885.03
  5. Step 5: Solve for x
    x = 20,336,885.03/5,194.58
  6. Step 6: Final answer
    x = 3,915.02

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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.