Home / 8,418.22-12,627.86-3,488.25

Finding the Fourth Proportional to 8,418.22, 12,627.86 and 3,488.25

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Solution

The fourth proportional to 8,418.22, 12,627.86 and 3,488.25 is: 5,232.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.22 : 12,627.86 = 3,488.25 : x
  2. Step 2: Convert to fraction form
    8,418.22/12,627.86 = 3,488.25/x
  3. Step 3: Cross multiply
    8,418.22x = 12,627.86 × 3,488.25
  4. Step 4: Simplify right side
    8,418.22x = 44,049,132.65
  5. Step 5: Solve for x
    x = 44,049,132.65/8,418.22
  6. Step 6: Final answer
    x = 5,232.59

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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.