Home / 7,816.82-11,727.05-2,270.72

Finding the Fourth Proportional to 7,816.82, 11,727.05 and 2,270.72

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Solution

The fourth proportional to 7,816.82, 11,727.05 and 2,270.72 is: 3,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.82 : 11,727.05 = 2,270.72 : x
  2. Step 2: Convert to fraction form
    7,816.82/11,727.05 = 2,270.72/x
  3. Step 3: Cross multiply
    7,816.82x = 11,727.05 × 2,270.72
  4. Step 4: Simplify right side
    7,816.82x = 26,628,776.99
  5. Step 5: Solve for x
    x = 26,628,776.99/7,816.82
  6. Step 6: Final answer
    x = 3,406.60

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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.