Home / 7,808.28-11,715.66-2,614.56

Finding the Fourth Proportional to 7,808.28, 11,715.66 and 2,614.56

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Solution

The fourth proportional to 7,808.28, 11,715.66 and 2,614.56 is: 3,922.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808.28 : 11,715.66 = 2,614.56 : x
  2. Step 2: Convert to fraction form
    7,808.28/11,715.66 = 2,614.56/x
  3. Step 3: Cross multiply
    7,808.28x = 11,715.66 × 2,614.56
  4. Step 4: Simplify right side
    7,808.28x = 30,631,296.01
  5. Step 5: Solve for x
    x = 30,631,296.01/7,808.28
  6. Step 6: Final answer
    x = 3,922.92

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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.