Home / 8,452.86-12,680.98-2,609.26

Finding the Fourth Proportional to 8,452.86, 12,680.98 and 2,609.26

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Solution

The fourth proportional to 8,452.86, 12,680.98 and 2,609.26 is: 3,914.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,452.86 : 12,680.98 = 2,609.26 : x
  2. Step 2: Convert to fraction form
    8,452.86/12,680.98 = 2,609.26/x
  3. Step 3: Cross multiply
    8,452.86x = 12,680.98 × 2,609.26
  4. Step 4: Simplify right side
    8,452.86x = 33,087,973.87
  5. Step 5: Solve for x
    x = 33,087,973.87/8,452.86
  6. Step 6: Final answer
    x = 3,914.41

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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.