Home / 8,252.58-12,375.81-3,320.54

Finding the Fourth Proportional to 8,252.58, 12,375.81 and 3,320.54

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Solution

The fourth proportional to 8,252.58, 12,375.81 and 3,320.54 is: 4,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.58 : 12,375.81 = 3,320.54 : x
  2. Step 2: Convert to fraction form
    8,252.58/12,375.81 = 3,320.54/x
  3. Step 3: Cross multiply
    8,252.58x = 12,375.81 × 3,320.54
  4. Step 4: Simplify right side
    8,252.58x = 41,094,310.26
  5. Step 5: Solve for x
    x = 41,094,310.26/8,252.58
  6. Step 6: Final answer
    x = 4,979.57

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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.