Home / 5,580.78-8,359.49-3,352.53

Finding the Fourth Proportional to 5,580.78, 8,359.49 and 3,352.53

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Solution

The fourth proportional to 5,580.78, 8,359.49 and 3,352.53 is: 5,021.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.78 : 8,359.49 = 3,352.53 : x
  2. Step 2: Convert to fraction form
    5,580.78/8,359.49 = 3,352.53/x
  3. Step 3: Cross multiply
    5,580.78x = 8,359.49 × 3,352.53
  4. Step 4: Simplify right side
    5,580.78x = 28,025,424.25
  5. Step 5: Solve for x
    x = 28,025,424.25/5,580.78
  6. Step 6: Final answer
    x = 5,021.78

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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.