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Finding the Fourth Proportional to 7,999.26, 11,998.95 and 5,227.26

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Solution

The fourth proportional to 7,999.26, 11,998.95 and 5,227.26 is: 7,840.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.26 : 11,998.95 = 5,227.26 : x
  2. Step 2: Convert to fraction form
    7,999.26/11,998.95 = 5,227.26/x
  3. Step 3: Cross multiply
    7,999.26x = 11,998.95 × 5,227.26
  4. Step 4: Simplify right side
    7,999.26x = 62,721,631.38
  5. Step 5: Solve for x
    x = 62,721,631.38/7,999.26
  6. Step 6: Final answer
    x = 7,840.93

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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.