Home / 8,772.79-13,159.07-2,198.97

Finding the Fourth Proportional to 8,772.79, 13,159.07 and 2,198.97

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Solution

The fourth proportional to 8,772.79, 13,159.07 and 2,198.97 is: 3,298.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.79 : 13,159.07 = 2,198.97 : x
  2. Step 2: Convert to fraction form
    8,772.79/13,159.07 = 2,198.97/x
  3. Step 3: Cross multiply
    8,772.79x = 13,159.07 × 2,198.97
  4. Step 4: Simplify right side
    8,772.79x = 28,936,400.16
  5. Step 5: Solve for x
    x = 28,936,400.16/8,772.79
  6. Step 6: Final answer
    x = 3,298.43

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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.