Home / 4,161.12-6,241.68-1,083.12

Finding the Fourth Proportional to 4,161.12, 6,241.68 and 1,083.12

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Solution

The fourth proportional to 4,161.12, 6,241.68 and 1,083.12 is: 1,624.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.12 : 6,241.68 = 1,083.12 : x
  2. Step 2: Convert to fraction form
    4,161.12/6,241.68 = 1,083.12/x
  3. Step 3: Cross multiply
    4,161.12x = 6,241.68 × 1,083.12
  4. Step 4: Simplify right side
    4,161.12x = 6,760,488.44
  5. Step 5: Solve for x
    x = 6,760,488.44/4,161.12
  6. Step 6: Final answer
    x = 1,624.68

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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.