Home / 9,155.24-13,729.26-3,231.80

Finding the Fourth Proportional to 9,155.24, 13,729.26 and 3,231.80

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Solution

The fourth proportional to 9,155.24, 13,729.26 and 3,231.80 is: 4,846.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.24 : 13,729.26 = 3,231.80 : x
  2. Step 2: Convert to fraction form
    9,155.24/13,729.26 = 3,231.80/x
  3. Step 3: Cross multiply
    9,155.24x = 13,729.26 × 3,231.80
  4. Step 4: Simplify right side
    9,155.24x = 44,370,222.47
  5. Step 5: Solve for x
    x = 44,370,222.47/9,155.24
  6. Step 6: Final answer
    x = 4,846.43

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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.