Home / 9,115.94-13,673.99-2,542.61

Finding the Fourth Proportional to 9,115.94, 13,673.99 and 2,542.61

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Solution

The fourth proportional to 9,115.94, 13,673.99 and 2,542.61 is: 3,813.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.94 : 13,673.99 = 2,542.61 : x
  2. Step 2: Convert to fraction form
    9,115.94/13,673.99 = 2,542.61/x
  3. Step 3: Cross multiply
    9,115.94x = 13,673.99 × 2,542.61
  4. Step 4: Simplify right side
    9,115.94x = 34,767,561.70
  5. Step 5: Solve for x
    x = 34,767,561.70/9,115.94
  6. Step 6: Final answer
    x = 3,813.93

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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.