Home / 4,106.09-5,694.40-3,958.47

Finding the Fourth Proportional to 4,106.09, 5,694.40 and 3,958.47

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Solution

The fourth proportional to 4,106.09, 5,694.40 and 3,958.47 is: 5,489.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,106.09 : 5,694.40 = 3,958.47 : x
  2. Step 2: Convert to fraction form
    4,106.09/5,694.40 = 3,958.47/x
  3. Step 3: Cross multiply
    4,106.09x = 5,694.40 × 3,958.47
  4. Step 4: Simplify right side
    4,106.09x = 22,541,116.52
  5. Step 5: Solve for x
    x = 22,541,116.52/4,106.09
  6. Step 6: Final answer
    x = 5,489.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.