Home / 6,939.52-10,404.66-3,821.00

Finding the Fourth Proportional to 6,939.52, 10,404.66 and 3,821.00

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Solution

The fourth proportional to 6,939.52, 10,404.66 and 3,821.00 is: 5,728.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.52 : 10,404.66 = 3,821.00 : x
  2. Step 2: Convert to fraction form
    6,939.52/10,404.66 = 3,821.00/x
  3. Step 3: Cross multiply
    6,939.52x = 10,404.66 × 3,821.00
  4. Step 4: Simplify right side
    6,939.52x = 39,756,186.68
  5. Step 5: Solve for x
    x = 39,756,186.68/6,939.52
  6. Step 6: Final answer
    x = 5,728.95

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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.