Home / 7,824.74-11,727.99-2,889.41

Finding the Fourth Proportional to 7,824.74, 11,727.99 and 2,889.41

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Solution

The fourth proportional to 7,824.74, 11,727.99 and 2,889.41 is: 4,330.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.74 : 11,727.99 = 2,889.41 : x
  2. Step 2: Convert to fraction form
    7,824.74/11,727.99 = 2,889.41/x
  3. Step 3: Cross multiply
    7,824.74x = 11,727.99 × 2,889.41
  4. Step 4: Simplify right side
    7,824.74x = 33,886,912.95
  5. Step 5: Solve for x
    x = 33,886,912.95/7,824.74
  6. Step 6: Final answer
    x = 4,330.74

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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.