Home / 8,717.97-13,076.86-2,144.22

Finding the Fourth Proportional to 8,717.97, 13,076.86 and 2,144.22

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Solution

The fourth proportional to 8,717.97, 13,076.86 and 2,144.22 is: 3,216.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.97 : 13,076.86 = 2,144.22 : x
  2. Step 2: Convert to fraction form
    8,717.97/13,076.86 = 2,144.22/x
  3. Step 3: Cross multiply
    8,717.97x = 13,076.86 × 2,144.22
  4. Step 4: Simplify right side
    8,717.97x = 28,039,664.75
  5. Step 5: Solve for x
    x = 28,039,664.75/8,717.97
  6. Step 6: Final answer
    x = 3,216.31

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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.