Home / 8,739.92-13,113.39-3,193.64

Finding the Fourth Proportional to 8,739.92, 13,113.39 and 3,193.64

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Solution

The fourth proportional to 8,739.92, 13,113.39 and 3,193.64 is: 4,791.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.92 : 13,113.39 = 3,193.64 : x
  2. Step 2: Convert to fraction form
    8,739.92/13,113.39 = 3,193.64/x
  3. Step 3: Cross multiply
    8,739.92x = 13,113.39 × 3,193.64
  4. Step 4: Simplify right side
    8,739.92x = 41,879,446.84
  5. Step 5: Solve for x
    x = 41,879,446.84/8,739.92
  6. Step 6: Final answer
    x = 4,791.74

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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.