Home / 7,858.28-11,788.24-2,664.56

Finding the Fourth Proportional to 7,858.28, 11,788.24 and 2,664.56

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Solution

The fourth proportional to 7,858.28, 11,788.24 and 2,664.56 is: 3,997.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.28 : 11,788.24 = 2,664.56 : x
  2. Step 2: Convert to fraction form
    7,858.28/11,788.24 = 2,664.56/x
  3. Step 3: Cross multiply
    7,858.28x = 11,788.24 × 2,664.56
  4. Step 4: Simplify right side
    7,858.28x = 31,410,472.77
  5. Step 5: Solve for x
    x = 31,410,472.77/7,858.28
  6. Step 6: Final answer
    x = 3,997.12

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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.