Home / 7,414.71-11,121.81-2,484.45

Finding the Fourth Proportional to 7,414.71, 11,121.81 and 2,484.45

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Solution

The fourth proportional to 7,414.71, 11,121.81 and 2,484.45 is: 3,726.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.71 : 11,121.81 = 2,484.45 : x
  2. Step 2: Convert to fraction form
    7,414.71/11,121.81 = 2,484.45/x
  3. Step 3: Cross multiply
    7,414.71x = 11,121.81 × 2,484.45
  4. Step 4: Simplify right side
    7,414.71x = 27,631,580.85
  5. Step 5: Solve for x
    x = 27,631,580.85/7,414.71
  6. Step 6: Final answer
    x = 3,726.59

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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.