Home / 10,880.91-16,321.37-3,485.97

Finding the Fourth Proportional to 10,880.91, 16,321.37 and 3,485.97

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Solution

The fourth proportional to 10,880.91, 16,321.37 and 3,485.97 is: 5,228.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.91 : 16,321.37 = 3,485.97 : x
  2. Step 2: Convert to fraction form
    10,880.91/16,321.37 = 3,485.97/x
  3. Step 3: Cross multiply
    10,880.91x = 16,321.37 × 3,485.97
  4. Step 4: Simplify right side
    10,880.91x = 56,895,788.75
  5. Step 5: Solve for x
    x = 56,895,788.75/10,880.91
  6. Step 6: Final answer
    x = 5,228.96

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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.