Home / 8,028.62-12,042.89-2,185.22

Finding the Fourth Proportional to 8,028.62, 12,042.89 and 2,185.22

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Solution

The fourth proportional to 8,028.62, 12,042.89 and 2,185.22 is: 3,277.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.62 : 12,042.89 = 2,185.22 : x
  2. Step 2: Convert to fraction form
    8,028.62/12,042.89 = 2,185.22/x
  3. Step 3: Cross multiply
    8,028.62x = 12,042.89 × 2,185.22
  4. Step 4: Simplify right side
    8,028.62x = 26,316,303.87
  5. Step 5: Solve for x
    x = 26,316,303.87/8,028.62
  6. Step 6: Final answer
    x = 3,277.81

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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.