Home / 7,584.66-11,355.75-5,729.94

Finding the Fourth Proportional to 7,584.66, 11,355.75 and 5,729.94

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Solution

The fourth proportional to 7,584.66, 11,355.75 and 5,729.94 is: 8,578.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,584.66 : 11,355.75 = 5,729.94 : x
  2. Step 2: Convert to fraction form
    7,584.66/11,355.75 = 5,729.94/x
  3. Step 3: Cross multiply
    7,584.66x = 11,355.75 × 5,729.94
  4. Step 4: Simplify right side
    7,584.66x = 65,067,766.16
  5. Step 5: Solve for x
    x = 65,067,766.16/7,584.66
  6. Step 6: Final answer
    x = 8,578.86

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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.