Home / 8,741.92-13,108.64-3,194.40

Finding the Fourth Proportional to 8,741.92, 13,108.64 and 3,194.40

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Solution

The fourth proportional to 8,741.92, 13,108.64 and 3,194.40 is: 4,790.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741.92 : 13,108.64 = 3,194.40 : x
  2. Step 2: Convert to fraction form
    8,741.92/13,108.64 = 3,194.40/x
  3. Step 3: Cross multiply
    8,741.92x = 13,108.64 × 3,194.40
  4. Step 4: Simplify right side
    8,741.92x = 41,874,239.62
  5. Step 5: Solve for x
    x = 41,874,239.62/8,741.92
  6. Step 6: Final answer
    x = 4,790.05

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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.