Home / 8,066.40-11,132.19-4,481.79

Finding the Fourth Proportional to 8,066.40, 11,132.19 and 4,481.79

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Solution

The fourth proportional to 8,066.40, 11,132.19 and 4,481.79 is: 6,185.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066.40 : 11,132.19 = 4,481.79 : x
  2. Step 2: Convert to fraction form
    8,066.40/11,132.19 = 4,481.79/x
  3. Step 3: Cross multiply
    8,066.40x = 11,132.19 × 4,481.79
  4. Step 4: Simplify right side
    8,066.40x = 49,892,115.41
  5. Step 5: Solve for x
    x = 49,892,115.41/8,066.40
  6. Step 6: Final answer
    x = 6,185.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.