Home / 8,872.62-13,309.70-3,251.81

Finding the Fourth Proportional to 8,872.62, 13,309.70 and 3,251.81

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Solution

The fourth proportional to 8,872.62, 13,309.70 and 3,251.81 is: 4,878.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.62 : 13,309.70 = 3,251.81 : x
  2. Step 2: Convert to fraction form
    8,872.62/13,309.70 = 3,251.81/x
  3. Step 3: Cross multiply
    8,872.62x = 13,309.70 × 3,251.81
  4. Step 4: Simplify right side
    8,872.62x = 43,280,632.57
  5. Step 5: Solve for x
    x = 43,280,632.57/8,872.62
  6. Step 6: Final answer
    x = 4,878.00

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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.