Home / 6,930.45-10,392.27-3,968.43

Finding the Fourth Proportional to 6,930.45, 10,392.27 and 3,968.43

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Solution

The fourth proportional to 6,930.45, 10,392.27 and 3,968.43 is: 5,950.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.45 : 10,392.27 = 3,968.43 : x
  2. Step 2: Convert to fraction form
    6,930.45/10,392.27 = 3,968.43/x
  3. Step 3: Cross multiply
    6,930.45x = 10,392.27 × 3,968.43
  4. Step 4: Simplify right side
    6,930.45x = 41,240,996.04
  5. Step 5: Solve for x
    x = 41,240,996.04/6,930.45
  6. Step 6: Final answer
    x = 5,950.70

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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.