Home / 8,788.32-13,183.68-3,240.96

Finding the Fourth Proportional to 8,788.32, 13,183.68 and 3,240.96

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Solution

The fourth proportional to 8,788.32, 13,183.68 and 3,240.96 is: 4,861.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.32 : 13,183.68 = 3,240.96 : x
  2. Step 2: Convert to fraction form
    8,788.32/13,183.68 = 3,240.96/x
  3. Step 3: Cross multiply
    8,788.32x = 13,183.68 × 3,240.96
  4. Step 4: Simplify right side
    8,788.32x = 42,727,779.53
  5. Step 5: Solve for x
    x = 42,727,779.53/8,788.32
  6. Step 6: Final answer
    x = 4,861.88

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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.