Home / 7,771.28-11,654.96-2,224.66

Finding the Fourth Proportional to 7,771.28, 11,654.96 and 2,224.66

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Solution

The fourth proportional to 7,771.28, 11,654.96 and 2,224.66 is: 3,336.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771.28 : 11,654.96 = 2,224.66 : x
  2. Step 2: Convert to fraction form
    7,771.28/11,654.96 = 2,224.66/x
  3. Step 3: Cross multiply
    7,771.28x = 11,654.96 × 2,224.66
  4. Step 4: Simplify right side
    7,771.28x = 25,928,323.31
  5. Step 5: Solve for x
    x = 25,928,323.31/7,771.28
  6. Step 6: Final answer
    x = 3,336.43

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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.