Home / 6,934.24-10,399.80-2,002.78

Finding the Fourth Proportional to 6,934.24, 10,399.80 and 2,002.78

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Solution

The fourth proportional to 6,934.24, 10,399.80 and 2,002.78 is: 3,003.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,934.24 : 10,399.80 = 2,002.78 : x
  2. Step 2: Convert to fraction form
    6,934.24/10,399.80 = 2,002.78/x
  3. Step 3: Cross multiply
    6,934.24x = 10,399.80 × 2,002.78
  4. Step 4: Simplify right side
    6,934.24x = 20,828,459.45
  5. Step 5: Solve for x
    x = 20,828,459.45/6,934.24
  6. Step 6: Final answer
    x = 3,003.71

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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.