Home / 8,788.30-13,175.70-4,408.90

Finding the Fourth Proportional to 8,788.30, 13,175.70 and 4,408.90

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Solution

The fourth proportional to 8,788.30, 13,175.70 and 4,408.90 is: 6,609.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.30 : 13,175.70 = 4,408.90 : x
  2. Step 2: Convert to fraction form
    8,788.30/13,175.70 = 4,408.90/x
  3. Step 3: Cross multiply
    8,788.30x = 13,175.70 × 4,408.90
  4. Step 4: Simplify right side
    8,788.30x = 58,090,343.73
  5. Step 5: Solve for x
    x = 58,090,343.73/8,788.30
  6. Step 6: Final answer
    x = 6,609.96

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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.