Home / 9,229.21-13,845.63-3,385.87

Finding the Fourth Proportional to 9,229.21, 13,845.63 and 3,385.87

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Solution

The fourth proportional to 9,229.21, 13,845.63 and 3,385.87 is: 5,079.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,229.21 : 13,845.63 = 3,385.87 : x
  2. Step 2: Convert to fraction form
    9,229.21/13,845.63 = 3,385.87/x
  3. Step 3: Cross multiply
    9,229.21x = 13,845.63 × 3,385.87
  4. Step 4: Simplify right side
    9,229.21x = 46,879,503.25
  5. Step 5: Solve for x
    x = 46,879,503.25/9,229.21
  6. Step 6: Final answer
    x = 5,079.47

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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.