Home / 8,936.08-13,404.70-3,091.92

Finding the Fourth Proportional to 8,936.08, 13,404.70 and 3,091.92

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Solution

The fourth proportional to 8,936.08, 13,404.70 and 3,091.92 is: 4,638.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.08 : 13,404.70 = 3,091.92 : x
  2. Step 2: Convert to fraction form
    8,936.08/13,404.70 = 3,091.92/x
  3. Step 3: Cross multiply
    8,936.08x = 13,404.70 × 3,091.92
  4. Step 4: Simplify right side
    8,936.08x = 41,446,260.02
  5. Step 5: Solve for x
    x = 41,446,260.02/8,936.08
  6. Step 6: Final answer
    x = 4,638.08

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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.