Home / 6,731.86-10,101.30-3,815.86

Finding the Fourth Proportional to 6,731.86, 10,101.30 and 3,815.86

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Solution

The fourth proportional to 6,731.86, 10,101.30 and 3,815.86 is: 5,725.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.86 : 10,101.30 = 3,815.86 : x
  2. Step 2: Convert to fraction form
    6,731.86/10,101.30 = 3,815.86/x
  3. Step 3: Cross multiply
    6,731.86x = 10,101.30 × 3,815.86
  4. Step 4: Simplify right side
    6,731.86x = 38,545,146.62
  5. Step 5: Solve for x
    x = 38,545,146.62/6,731.86
  6. Step 6: Final answer
    x = 5,725.78

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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.