Home / 7,964.76-11,933.78-5,187.27

Finding the Fourth Proportional to 7,964.76, 11,933.78 and 5,187.27

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Solution

The fourth proportional to 7,964.76, 11,933.78 and 5,187.27 is: 7,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.76 : 11,933.78 = 5,187.27 : x
  2. Step 2: Convert to fraction form
    7,964.76/11,933.78 = 5,187.27/x
  3. Step 3: Cross multiply
    7,964.76x = 11,933.78 × 5,187.27
  4. Step 4: Simplify right side
    7,964.76x = 61,903,713.04
  5. Step 5: Solve for x
    x = 61,903,713.04/7,964.76
  6. Step 6: Final answer
    x = 7,772.20

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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.