Home / 4,822.78-7,227.60-2,715.41

Finding the Fourth Proportional to 4,822.78, 7,227.60 and 2,715.41

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Solution

The fourth proportional to 4,822.78, 7,227.60 and 2,715.41 is: 4,069.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822.78 : 7,227.60 = 2,715.41 : x
  2. Step 2: Convert to fraction form
    4,822.78/7,227.60 = 2,715.41/x
  3. Step 3: Cross multiply
    4,822.78x = 7,227.60 × 2,715.41
  4. Step 4: Simplify right side
    4,822.78x = 19,625,905.20
  5. Step 5: Solve for x
    x = 19,625,905.20/4,822.78
  6. Step 6: Final answer
    x = 4,069.42

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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.