Home / 9,288.88-13,933.38-2,715.80

Finding the Fourth Proportional to 9,288.88, 13,933.38 and 2,715.80

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Solution

The fourth proportional to 9,288.88, 13,933.38 and 2,715.80 is: 4,073.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.88 : 13,933.38 = 2,715.80 : x
  2. Step 2: Convert to fraction form
    9,288.88/13,933.38 = 2,715.80/x
  3. Step 3: Cross multiply
    9,288.88x = 13,933.38 × 2,715.80
  4. Step 4: Simplify right side
    9,288.88x = 37,840,273.40
  5. Step 5: Solve for x
    x = 37,840,273.40/9,288.88
  6. Step 6: Final answer
    x = 4,073.72

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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.