Home / 5,945.55-8,918.91-2,198.31

Finding the Fourth Proportional to 5,945.55, 8,918.91 and 2,198.31

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Solution

The fourth proportional to 5,945.55, 8,918.91 and 2,198.31 is: 3,297.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,945.55 : 8,918.91 = 2,198.31 : x
  2. Step 2: Convert to fraction form
    5,945.55/8,918.91 = 2,198.31/x
  3. Step 3: Cross multiply
    5,945.55x = 8,918.91 × 2,198.31
  4. Step 4: Simplify right side
    5,945.55x = 19,606,495.60
  5. Step 5: Solve for x
    x = 19,606,495.60/5,945.55
  6. Step 6: Final answer
    x = 3,297.68

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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.