Home / 8,170.97-12,258.05-2,623.89

Finding the Fourth Proportional to 8,170.97, 12,258.05 and 2,623.89

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Solution

The fourth proportional to 8,170.97, 12,258.05 and 2,623.89 is: 3,936.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.97 : 12,258.05 = 2,623.89 : x
  2. Step 2: Convert to fraction form
    8,170.97/12,258.05 = 2,623.89/x
  3. Step 3: Cross multiply
    8,170.97x = 12,258.05 × 2,623.89
  4. Step 4: Simplify right side
    8,170.97x = 32,163,761.70
  5. Step 5: Solve for x
    x = 32,163,761.70/8,170.97
  6. Step 6: Final answer
    x = 3,936.35

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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.