Home / 7,996.16-11,999.43-3,613.66

Finding the Fourth Proportional to 7,996.16, 11,999.43 and 3,613.66

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Solution

The fourth proportional to 7,996.16, 11,999.43 and 3,613.66 is: 5,422.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,996.16 : 11,999.43 = 3,613.66 : x
  2. Step 2: Convert to fraction form
    7,996.16/11,999.43 = 3,613.66/x
  3. Step 3: Cross multiply
    7,996.16x = 11,999.43 × 3,613.66
  4. Step 4: Simplify right side
    7,996.16x = 43,361,830.22
  5. Step 5: Solve for x
    x = 43,361,830.22/7,996.16
  6. Step 6: Final answer
    x = 5,422.83

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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.