Home / 8,609.26-12,918.34-3,677.58

Finding the Fourth Proportional to 8,609.26, 12,918.34 and 3,677.58

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Solution

The fourth proportional to 8,609.26, 12,918.34 and 3,677.58 is: 5,518.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609.26 : 12,918.34 = 3,677.58 : x
  2. Step 2: Convert to fraction form
    8,609.26/12,918.34 = 3,677.58/x
  3. Step 3: Cross multiply
    8,609.26x = 12,918.34 × 3,677.58
  4. Step 4: Simplify right side
    8,609.26x = 47,508,176.39
  5. Step 5: Solve for x
    x = 47,508,176.39/8,609.26
  6. Step 6: Final answer
    x = 5,518.26

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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.