Home / 6,936.87-10,404.60-3,815.82

Finding the Fourth Proportional to 6,936.87, 10,404.60 and 3,815.82

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Solution

The fourth proportional to 6,936.87, 10,404.60 and 3,815.82 is: 5,723.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.87 : 10,404.60 = 3,815.82 : x
  2. Step 2: Convert to fraction form
    6,936.87/10,404.60 = 3,815.82/x
  3. Step 3: Cross multiply
    6,936.87x = 10,404.60 × 3,815.82
  4. Step 4: Simplify right side
    6,936.87x = 39,702,080.77
  5. Step 5: Solve for x
    x = 39,702,080.77/6,936.87
  6. Step 6: Final answer
    x = 5,723.34

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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.