Home / 8,788.10-13,181.69-2,213.88

Finding the Fourth Proportional to 8,788.10, 13,181.69 and 2,213.88

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Solution

The fourth proportional to 8,788.10, 13,181.69 and 2,213.88 is: 3,320.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.10 : 13,181.69 = 2,213.88 : x
  2. Step 2: Convert to fraction form
    8,788.10/13,181.69 = 2,213.88/x
  3. Step 3: Cross multiply
    8,788.10x = 13,181.69 × 2,213.88
  4. Step 4: Simplify right side
    8,788.10x = 29,182,697.65
  5. Step 5: Solve for x
    x = 29,182,697.65/8,788.10
  6. Step 6: Final answer
    x = 3,320.71

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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.