Home / 8,918.54-13,377.77-2,255.06

Finding the Fourth Proportional to 8,918.54, 13,377.77 and 2,255.06

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Solution

The fourth proportional to 8,918.54, 13,377.77 and 2,255.06 is: 3,382.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918.54 : 13,377.77 = 2,255.06 : x
  2. Step 2: Convert to fraction form
    8,918.54/13,377.77 = 2,255.06/x
  3. Step 3: Cross multiply
    8,918.54x = 13,377.77 × 2,255.06
  4. Step 4: Simplify right side
    8,918.54x = 30,167,595.85
  5. Step 5: Solve for x
    x = 30,167,595.85/8,918.54
  6. Step 6: Final answer
    x = 3,382.57

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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.