Home / 5,417.44-8,132.30-3,639.80

Finding the Fourth Proportional to 5,417.44, 8,132.30 and 3,639.80

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Solution

The fourth proportional to 5,417.44, 8,132.30 and 3,639.80 is: 5,463.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.44 : 8,132.30 = 3,639.80 : x
  2. Step 2: Convert to fraction form
    5,417.44/8,132.30 = 3,639.80/x
  3. Step 3: Cross multiply
    5,417.44x = 8,132.30 × 3,639.80
  4. Step 4: Simplify right side
    5,417.44x = 29,599,945.54
  5. Step 5: Solve for x
    x = 29,599,945.54/5,417.44
  6. Step 6: Final answer
    x = 5,463.83

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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.