Home / 9,133.52-13,691.98-3,288.80

Finding the Fourth Proportional to 9,133.52, 13,691.98 and 3,288.80

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Solution

The fourth proportional to 9,133.52, 13,691.98 and 3,288.80 is: 4,930.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.52 : 13,691.98 = 3,288.80 : x
  2. Step 2: Convert to fraction form
    9,133.52/13,691.98 = 3,288.80/x
  3. Step 3: Cross multiply
    9,133.52x = 13,691.98 × 3,288.80
  4. Step 4: Simplify right side
    9,133.52x = 45,030,183.82
  5. Step 5: Solve for x
    x = 45,030,183.82/9,133.52
  6. Step 6: Final answer
    x = 4,930.21

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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.