Home / 8,789.96-13,181.77-4,109.09

Finding the Fourth Proportional to 8,789.96, 13,181.77 and 4,109.09

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Solution

The fourth proportional to 8,789.96, 13,181.77 and 4,109.09 is: 6,162.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.96 : 13,181.77 = 4,109.09 : x
  2. Step 2: Convert to fraction form
    8,789.96/13,181.77 = 4,109.09/x
  3. Step 3: Cross multiply
    8,789.96x = 13,181.77 × 4,109.09
  4. Step 4: Simplify right side
    8,789.96x = 54,165,079.29
  5. Step 5: Solve for x
    x = 54,165,079.29/8,789.96
  6. Step 6: Final answer
    x = 6,162.15

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1.5x scale

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.