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Finding the Fourth Proportional to 7,100.88, 10,651.96 and 1,906.72

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Solution

The fourth proportional to 7,100.88, 10,651.96 and 1,906.72 is: 2,860.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100.88 : 10,651.96 = 1,906.72 : x
  2. Step 2: Convert to fraction form
    7,100.88/10,651.96 = 1,906.72/x
  3. Step 3: Cross multiply
    7,100.88x = 10,651.96 × 1,906.72
  4. Step 4: Simplify right side
    7,100.88x = 20,310,305.17
  5. Step 5: Solve for x
    x = 20,310,305.17/7,100.88
  6. Step 6: Final answer
    x = 2,860.25

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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.