Home / 9,081.76-13,625-4,149.04

Finding the Fourth Proportional to 9,081.76, 13,625 and 4,149.04

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Solution

The fourth proportional to 9,081.76, 13,625 and 4,149.04 is: 6,224.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081.76 : 13,625 = 4,149.04 : x
  2. Step 2: Convert to fraction form
    9,081.76/13,625 = 4,149.04/x
  3. Step 3: Cross multiply
    9,081.76x = 13,625 × 4,149.04
  4. Step 4: Simplify right side
    9,081.76x = 56,530,670
  5. Step 5: Solve for x
    x = 56,530,670/9,081.76
  6. Step 6: Final answer
    x = 6,224.64

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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.