Home / 7,835.12-11,753.78-2,288.87

Finding the Fourth Proportional to 7,835.12, 11,753.78 and 2,288.87

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Solution

The fourth proportional to 7,835.12, 11,753.78 and 2,288.87 is: 3,433.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.12 : 11,753.78 = 2,288.87 : x
  2. Step 2: Convert to fraction form
    7,835.12/11,753.78 = 2,288.87/x
  3. Step 3: Cross multiply
    7,835.12x = 11,753.78 × 2,288.87
  4. Step 4: Simplify right side
    7,835.12x = 26,902,874.43
  5. Step 5: Solve for x
    x = 26,902,874.43/7,835.12
  6. Step 6: Final answer
    x = 3,433.63

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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.