Home / 8,556.38-12,824.06-4,861.72

Finding the Fourth Proportional to 8,556.38, 12,824.06 and 4,861.72

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Solution

The fourth proportional to 8,556.38, 12,824.06 and 4,861.72 is: 7,286.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.38 : 12,824.06 = 4,861.72 : x
  2. Step 2: Convert to fraction form
    8,556.38/12,824.06 = 4,861.72/x
  3. Step 3: Cross multiply
    8,556.38x = 12,824.06 × 4,861.72
  4. Step 4: Simplify right side
    8,556.38x = 62,346,988.98
  5. Step 5: Solve for x
    x = 62,346,988.98/8,556.38
  6. Step 6: Final answer
    x = 7,286.61

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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.