Home / 7,715.82-11,558.24-3,550.04

Finding the Fourth Proportional to 7,715.82, 11,558.24 and 3,550.04

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Solution

The fourth proportional to 7,715.82, 11,558.24 and 3,550.04 is: 5,317.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.82 : 11,558.24 = 3,550.04 : x
  2. Step 2: Convert to fraction form
    7,715.82/11,558.24 = 3,550.04/x
  3. Step 3: Cross multiply
    7,715.82x = 11,558.24 × 3,550.04
  4. Step 4: Simplify right side
    7,715.82x = 41,032,138.79
  5. Step 5: Solve for x
    x = 41,032,138.79/7,715.82
  6. Step 6: Final answer
    x = 5,317.92

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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.