Home / 8,154.28-11,257.68-5,914

Finding the Fourth Proportional to 8,154.28, 11,257.68 and 5,914

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Solution

The fourth proportional to 8,154.28, 11,257.68 and 5,914 is: 8,164.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.28 : 11,257.68 = 5,914 : x
  2. Step 2: Convert to fraction form
    8,154.28/11,257.68 = 5,914/x
  3. Step 3: Cross multiply
    8,154.28x = 11,257.68 × 5,914
  4. Step 4: Simplify right side
    8,154.28x = 66,577,919.52
  5. Step 5: Solve for x
    x = 66,577,919.52/8,154.28
  6. Step 6: Final answer
    x = 8,164.78

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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.