Home / 7,836.60-11,753.82-2,905.56

Finding the Fourth Proportional to 7,836.60, 11,753.82 and 2,905.56

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Solution

The fourth proportional to 7,836.60, 11,753.82 and 2,905.56 is: 4,357.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.60 : 11,753.82 = 2,905.56 : x
  2. Step 2: Convert to fraction form
    7,836.60/11,753.82 = 2,905.56/x
  3. Step 3: Cross multiply
    7,836.60x = 11,753.82 × 2,905.56
  4. Step 4: Simplify right side
    7,836.60x = 34,151,355.94
  5. Step 5: Solve for x
    x = 34,151,355.94/7,836.60
  6. Step 6: Final answer
    x = 4,357.93

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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.