Home / 4,489.82-6,190.66-3,074.20

Finding the Fourth Proportional to 4,489.82, 6,190.66 and 3,074.20

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Solution

The fourth proportional to 4,489.82, 6,190.66 and 3,074.20 is: 4,238.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489.82 : 6,190.66 = 3,074.20 : x
  2. Step 2: Convert to fraction form
    4,489.82/6,190.66 = 3,074.20/x
  3. Step 3: Cross multiply
    4,489.82x = 6,190.66 × 3,074.20
  4. Step 4: Simplify right side
    4,489.82x = 19,031,326.97
  5. Step 5: Solve for x
    x = 19,031,326.97/4,489.82
  6. Step 6: Final answer
    x = 4,238.77

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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.