Home / 7,728.38-11,583.06-3,562.61

Finding the Fourth Proportional to 7,728.38, 11,583.06 and 3,562.61

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Solution

The fourth proportional to 7,728.38, 11,583.06 and 3,562.61 is: 5,339.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.38 : 11,583.06 = 3,562.61 : x
  2. Step 2: Convert to fraction form
    7,728.38/11,583.06 = 3,562.61/x
  3. Step 3: Cross multiply
    7,728.38x = 11,583.06 × 3,562.61
  4. Step 4: Simplify right side
    7,728.38x = 41,265,867.47
  5. Step 5: Solve for x
    x = 41,265,867.47/7,728.38
  6. Step 6: Final answer
    x = 5,339.53

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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.