Home / 8,268.84-11,399.76-5,906.88

Finding the Fourth Proportional to 8,268.84, 11,399.76 and 5,906.88

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Solution

The fourth proportional to 8,268.84, 11,399.76 and 5,906.88 is: 8,143.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.84 : 11,399.76 = 5,906.88 : x
  2. Step 2: Convert to fraction form
    8,268.84/11,399.76 = 5,906.88/x
  3. Step 3: Cross multiply
    8,268.84x = 11,399.76 × 5,906.88
  4. Step 4: Simplify right side
    8,268.84x = 67,337,014.35
  5. Step 5: Solve for x
    x = 67,337,014.35/8,268.84
  6. Step 6: Final answer
    x = 8,143.47

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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.