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Finding the Fourth Proportional to 7,152.57, 10,728.95 and 2,222.10

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Solution

The fourth proportional to 7,152.57, 10,728.95 and 2,222.10 is: 3,333.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152.57 : 10,728.95 = 2,222.10 : x
  2. Step 2: Convert to fraction form
    7,152.57/10,728.95 = 2,222.10/x
  3. Step 3: Cross multiply
    7,152.57x = 10,728.95 × 2,222.10
  4. Step 4: Simplify right side
    7,152.57x = 23,840,788.68
  5. Step 5: Solve for x
    x = 23,840,788.68/7,152.57
  6. Step 6: Final answer
    x = 3,333.18

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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.