Home / 4,191.82-6,287.36-1,418.43

Finding the Fourth Proportional to 4,191.82, 6,287.36 and 1,418.43

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Solution

The fourth proportional to 4,191.82, 6,287.36 and 1,418.43 is: 2,127.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.82 : 6,287.36 = 1,418.43 : x
  2. Step 2: Convert to fraction form
    4,191.82/6,287.36 = 1,418.43/x
  3. Step 3: Cross multiply
    4,191.82x = 6,287.36 × 1,418.43
  4. Step 4: Simplify right side
    4,191.82x = 8,918,183.59
  5. Step 5: Solve for x
    x = 8,918,183.59/4,191.82
  6. Step 6: Final answer
    x = 2,127.52

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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.