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Finding the Fourth Proportional to 5,940.06, 8,912.07 and 1,991.73

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Solution

The fourth proportional to 5,940.06, 8,912.07 and 1,991.73 is: 2,988.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.06 : 8,912.07 = 1,991.73 : x
  2. Step 2: Convert to fraction form
    5,940.06/8,912.07 = 1,991.73/x
  3. Step 3: Cross multiply
    5,940.06x = 8,912.07 × 1,991.73
  4. Step 4: Simplify right side
    5,940.06x = 17,750,437.18
  5. Step 5: Solve for x
    x = 17,750,437.18/5,940.06
  6. Step 6: Final answer
    x = 2,988.26

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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.