Home / 7,270.88-10,906.56-2,076.80

Finding the Fourth Proportional to 7,270.88, 10,906.56 and 2,076.80

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Solution

The fourth proportional to 7,270.88, 10,906.56 and 2,076.80 is: 3,115.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.88 : 10,906.56 = 2,076.80 : x
  2. Step 2: Convert to fraction form
    7,270.88/10,906.56 = 2,076.80/x
  3. Step 3: Cross multiply
    7,270.88x = 10,906.56 × 2,076.80
  4. Step 4: Simplify right side
    7,270.88x = 22,650,743.81
  5. Step 5: Solve for x
    x = 22,650,743.81/7,270.88
  6. Step 6: Final answer
    x = 3,115.27

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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.