Home / 6,161.82-9,241.38-1,779.18

Finding the Fourth Proportional to 6,161.82, 9,241.38 and 1,779.18

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Solution

The fourth proportional to 6,161.82, 9,241.38 and 1,779.18 is: 2,668.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,161.82 : 9,241.38 = 1,779.18 : x
  2. Step 2: Convert to fraction form
    6,161.82/9,241.38 = 1,779.18/x
  3. Step 3: Cross multiply
    6,161.82x = 9,241.38 × 1,779.18
  4. Step 4: Simplify right side
    6,161.82x = 16,442,078.47
  5. Step 5: Solve for x
    x = 16,442,078.47/6,161.82
  6. Step 6: Final answer
    x = 2,668.38

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Double scale
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1.5x scale

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.