Home / 6,168.72-9,253.54-2,220.78

Finding the Fourth Proportional to 6,168.72, 9,253.54 and 2,220.78

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Solution

The fourth proportional to 6,168.72, 9,253.54 and 2,220.78 is: 3,331.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,168.72 : 9,253.54 = 2,220.78 : x
  2. Step 2: Convert to fraction form
    6,168.72/9,253.54 = 2,220.78/x
  3. Step 3: Cross multiply
    6,168.72x = 9,253.54 × 2,220.78
  4. Step 4: Simplify right side
    6,168.72x = 20,550,076.56
  5. Step 5: Solve for x
    x = 20,550,076.56/6,168.72
  6. Step 6: Final answer
    x = 3,331.34

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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.