Home / 6,619.11-9,919.42-3,658.97

Finding the Fourth Proportional to 6,619.11, 9,919.42 and 3,658.97

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Solution

The fourth proportional to 6,619.11, 9,919.42 and 3,658.97 is: 5,483.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.11 : 9,919.42 = 3,658.97 : x
  2. Step 2: Convert to fraction form
    6,619.11/9,919.42 = 3,658.97/x
  3. Step 3: Cross multiply
    6,619.11x = 9,919.42 × 3,658.97
  4. Step 4: Simplify right side
    6,619.11x = 36,294,792.31
  5. Step 5: Solve for x
    x = 36,294,792.31/6,619.11
  6. Step 6: Final answer
    x = 5,483.34

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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.