Home / 9,231.38-13,843.98-2,989.73

Finding the Fourth Proportional to 9,231.38, 13,843.98 and 2,989.73

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Solution

The fourth proportional to 9,231.38, 13,843.98 and 2,989.73 is: 4,483.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.38 : 13,843.98 = 2,989.73 : x
  2. Step 2: Convert to fraction form
    9,231.38/13,843.98 = 2,989.73/x
  3. Step 3: Cross multiply
    9,231.38x = 13,843.98 × 2,989.73
  4. Step 4: Simplify right side
    9,231.38x = 41,389,762.33
  5. Step 5: Solve for x
    x = 41,389,762.33/9,231.38
  6. Step 6: Final answer
    x = 4,483.59

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1.5x scale

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.