Home / 4,090.82-5,638.80-3,227.04

Finding the Fourth Proportional to 4,090.82, 5,638.80 and 3,227.04

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Solution

The fourth proportional to 4,090.82, 5,638.80 and 3,227.04 is: 4,448.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.82 : 5,638.80 = 3,227.04 : x
  2. Step 2: Convert to fraction form
    4,090.82/5,638.80 = 3,227.04/x
  3. Step 3: Cross multiply
    4,090.82x = 5,638.80 × 3,227.04
  4. Step 4: Simplify right side
    4,090.82x = 18,196,633.15
  5. Step 5: Solve for x
    x = 18,196,633.15/4,090.82
  6. Step 6: Final answer
    x = 4,448.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.