Home / 7,665.24-11,496.99-2,119.38

Finding the Fourth Proportional to 7,665.24, 11,496.99 and 2,119.38

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Solution

The fourth proportional to 7,665.24, 11,496.99 and 2,119.38 is: 3,178.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665.24 : 11,496.99 = 2,119.38 : x
  2. Step 2: Convert to fraction form
    7,665.24/11,496.99 = 2,119.38/x
  3. Step 3: Cross multiply
    7,665.24x = 11,496.99 × 2,119.38
  4. Step 4: Simplify right side
    7,665.24x = 24,366,490.67
  5. Step 5: Solve for x
    x = 24,366,490.67/7,665.24
  6. Step 6: Final answer
    x = 3,178.83

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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.