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Finding the Fourth Proportional to 7,170.50, 9,892.86 and 4,518.56

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Solution

The fourth proportional to 7,170.50, 9,892.86 and 4,518.56 is: 6,234.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.50 : 9,892.86 = 4,518.56 : x
  2. Step 2: Convert to fraction form
    7,170.50/9,892.86 = 4,518.56/x
  3. Step 3: Cross multiply
    7,170.50x = 9,892.86 × 4,518.56
  4. Step 4: Simplify right side
    7,170.50x = 44,701,481.48
  5. Step 5: Solve for x
    x = 44,701,481.48/7,170.50
  6. Step 6: Final answer
    x = 6,234.08

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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.