Home / 4,220.82-6,327.80-1,757.49

Finding the Fourth Proportional to 4,220.82, 6,327.80 and 1,757.49

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Solution

The fourth proportional to 4,220.82, 6,327.80 and 1,757.49 is: 2,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.82 : 6,327.80 = 1,757.49 : x
  2. Step 2: Convert to fraction form
    4,220.82/6,327.80 = 1,757.49/x
  3. Step 3: Cross multiply
    4,220.82x = 6,327.80 × 1,757.49
  4. Step 4: Simplify right side
    4,220.82x = 11,121,036.43
  5. Step 5: Solve for x
    x = 11,121,036.43/4,220.82
  6. Step 6: Final answer
    x = 2,634.80

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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.