Home / 8,772.14-13,158.19-2,198.31

Finding the Fourth Proportional to 8,772.14, 13,158.19 and 2,198.31

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Solution

The fourth proportional to 8,772.14, 13,158.19 and 2,198.31 is: 3,297.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.14 : 13,158.19 = 2,198.31 : x
  2. Step 2: Convert to fraction form
    8,772.14/13,158.19 = 2,198.31/x
  3. Step 3: Cross multiply
    8,772.14x = 13,158.19 × 2,198.31
  4. Step 4: Simplify right side
    8,772.14x = 28,925,780.66
  5. Step 5: Solve for x
    x = 28,925,780.66/8,772.14
  6. Step 6: Final answer
    x = 3,297.46

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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.