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Finding the Fourth Proportional to 6,937.78, 10,392.92 and 3,234.92

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Solution

The fourth proportional to 6,937.78, 10,392.92 and 3,234.92 is: 4,845.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,937.78 : 10,392.92 = 3,234.92 : x
  2. Step 2: Convert to fraction form
    6,937.78/10,392.92 = 3,234.92/x
  3. Step 3: Cross multiply
    6,937.78x = 10,392.92 × 3,234.92
  4. Step 4: Simplify right side
    6,937.78x = 33,620,248.59
  5. Step 5: Solve for x
    x = 33,620,248.59/6,937.78
  6. Step 6: Final answer
    x = 4,845.97

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1.5x scale

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.