Home / 7,753.94-11,631.30-2,207.68

Finding the Fourth Proportional to 7,753.94, 11,631.30 and 2,207.68

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Solution

The fourth proportional to 7,753.94, 11,631.30 and 2,207.68 is: 3,311.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,753.94 : 11,631.30 = 2,207.68 : x
  2. Step 2: Convert to fraction form
    7,753.94/11,631.30 = 2,207.68/x
  3. Step 3: Cross multiply
    7,753.94x = 11,631.30 × 2,207.68
  4. Step 4: Simplify right side
    7,753.94x = 25,678,188.38
  5. Step 5: Solve for x
    x = 25,678,188.38/7,753.94
  6. Step 6: Final answer
    x = 3,311.63

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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.