Home / 8,982.72-13,473.60-2,408.80

Finding the Fourth Proportional to 8,982.72, 13,473.60 and 2,408.80

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Solution

The fourth proportional to 8,982.72, 13,473.60 and 2,408.80 is: 3,613.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.72 : 13,473.60 = 2,408.80 : x
  2. Step 2: Convert to fraction form
    8,982.72/13,473.60 = 2,408.80/x
  3. Step 3: Cross multiply
    8,982.72x = 13,473.60 × 2,408.80
  4. Step 4: Simplify right side
    8,982.72x = 32,455,207.68
  5. Step 5: Solve for x
    x = 32,455,207.68/8,982.72
  6. Step 6: Final answer
    x = 3,613.07

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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.