Home / 8,076.69-12,115.07-2,529.56

Finding the Fourth Proportional to 8,076.69, 12,115.07 and 2,529.56

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Solution

The fourth proportional to 8,076.69, 12,115.07 and 2,529.56 is: 3,794.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.69 : 12,115.07 = 2,529.56 : x
  2. Step 2: Convert to fraction form
    8,076.69/12,115.07 = 2,529.56/x
  3. Step 3: Cross multiply
    8,076.69x = 12,115.07 × 2,529.56
  4. Step 4: Simplify right side
    8,076.69x = 30,645,796.47
  5. Step 5: Solve for x
    x = 30,645,796.47/8,076.69
  6. Step 6: Final answer
    x = 3,794.35

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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.