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Finding the Fourth Proportional to 7,752.73, 11,622.01 and 3,368.61

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Solution

The fourth proportional to 7,752.73, 11,622.01 and 3,368.61 is: 5,049.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.73 : 11,622.01 = 3,368.61 : x
  2. Step 2: Convert to fraction form
    7,752.73/11,622.01 = 3,368.61/x
  3. Step 3: Cross multiply
    7,752.73x = 11,622.01 × 3,368.61
  4. Step 4: Simplify right side
    7,752.73x = 39,150,019.11
  5. Step 5: Solve for x
    x = 39,150,019.11/7,752.73
  6. Step 6: Final answer
    x = 5,049.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.