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Finding the Fourth Proportional to 5,402.46, 8,100.45 and 2,938.44

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Solution

The fourth proportional to 5,402.46, 8,100.45 and 2,938.44 is: 4,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.46 : 8,100.45 = 2,938.44 : x
  2. Step 2: Convert to fraction form
    5,402.46/8,100.45 = 2,938.44/x
  3. Step 3: Cross multiply
    5,402.46x = 8,100.45 × 2,938.44
  4. Step 4: Simplify right side
    5,402.46x = 23,802,686.30
  5. Step 5: Solve for x
    x = 23,802,686.30/5,402.46
  6. Step 6: Final answer
    x = 4,405.90

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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.