Home / 8,028.15-11,089.44-6,162.79

Finding the Fourth Proportional to 8,028.15, 11,089.44 and 6,162.79

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Solution

The fourth proportional to 8,028.15, 11,089.44 and 6,162.79 is: 8,512.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.15 : 11,089.44 = 6,162.79 : x
  2. Step 2: Convert to fraction form
    8,028.15/11,089.44 = 6,162.79/x
  3. Step 3: Cross multiply
    8,028.15x = 11,089.44 × 6,162.79
  4. Step 4: Simplify right side
    8,028.15x = 68,341,877.62
  5. Step 5: Solve for x
    x = 68,341,877.62/8,028.15
  6. Step 6: Final answer
    x = 8,512.78

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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.