Home / 4,004.46-5,531.49-3,221.46

Finding the Fourth Proportional to 4,004.46, 5,531.49 and 3,221.46

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Solution

The fourth proportional to 4,004.46, 5,531.49 and 3,221.46 is: 4,449.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,004.46 : 5,531.49 = 3,221.46 : x
  2. Step 2: Convert to fraction form
    4,004.46/5,531.49 = 3,221.46/x
  3. Step 3: Cross multiply
    4,004.46x = 5,531.49 × 3,221.46
  4. Step 4: Simplify right side
    4,004.46x = 17,819,473.78
  5. Step 5: Solve for x
    x = 17,819,473.78/4,004.46
  6. Step 6: Final answer
    x = 4,449.91

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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.