Home / 8,239.38-11,372.39-4,704.67

Finding the Fourth Proportional to 8,239.38, 11,372.39 and 4,704.67

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Solution

The fourth proportional to 8,239.38, 11,372.39 and 4,704.67 is: 6,493.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.38 : 11,372.39 = 4,704.67 : x
  2. Step 2: Convert to fraction form
    8,239.38/11,372.39 = 4,704.67/x
  3. Step 3: Cross multiply
    8,239.38x = 11,372.39 × 4,704.67
  4. Step 4: Simplify right side
    8,239.38x = 53,503,342.06
  5. Step 5: Solve for x
    x = 53,503,342.06/8,239.38
  6. Step 6: Final answer
    x = 6,493.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.