Home / 7,747.48-11,614.69-3,361.64

Finding the Fourth Proportional to 7,747.48, 11,614.69 and 3,361.64

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Solution

The fourth proportional to 7,747.48, 11,614.69 and 3,361.64 is: 5,039.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.48 : 11,614.69 = 3,361.64 : x
  2. Step 2: Convert to fraction form
    7,747.48/11,614.69 = 3,361.64/x
  3. Step 3: Cross multiply
    7,747.48x = 11,614.69 × 3,361.64
  4. Step 4: Simplify right side
    7,747.48x = 39,044,352.62
  5. Step 5: Solve for x
    x = 39,044,352.62/7,747.48
  6. Step 6: Final answer
    x = 5,039.62

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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.