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Finding the Fourth Proportional to 8,019.87, 12,028.19 and 2,175.09

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Solution

The fourth proportional to 8,019.87, 12,028.19 and 2,175.09 is: 3,262.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019.87 : 12,028.19 = 2,175.09 : x
  2. Step 2: Convert to fraction form
    8,019.87/12,028.19 = 2,175.09/x
  3. Step 3: Cross multiply
    8,019.87x = 12,028.19 × 2,175.09
  4. Step 4: Simplify right side
    8,019.87x = 26,162,384.91
  5. Step 5: Solve for x
    x = 26,162,384.91/8,019.87
  6. Step 6: Final answer
    x = 3,262.20

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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.