Home / 5,426.39-8,133.41-4,105.79

Finding the Fourth Proportional to 5,426.39, 8,133.41 and 4,105.79

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Solution

The fourth proportional to 5,426.39, 8,133.41 and 4,105.79 is: 6,154.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.39 : 8,133.41 = 4,105.79 : x
  2. Step 2: Convert to fraction form
    5,426.39/8,133.41 = 4,105.79/x
  3. Step 3: Cross multiply
    5,426.39x = 8,133.41 × 4,105.79
  4. Step 4: Simplify right side
    5,426.39x = 33,394,073.54
  5. Step 5: Solve for x
    x = 33,394,073.54/5,426.39
  6. Step 6: Final answer
    x = 6,154.01

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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.