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Finding the Fourth Proportional to 5,999.92, 8,987.70 and 3,399.80

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Solution

The fourth proportional to 5,999.92, 8,987.70 and 3,399.80 is: 5,092.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.92 : 8,987.70 = 3,399.80 : x
  2. Step 2: Convert to fraction form
    5,999.92/8,987.70 = 3,399.80/x
  3. Step 3: Cross multiply
    5,999.92x = 8,987.70 × 3,399.80
  4. Step 4: Simplify right side
    5,999.92x = 30,556,382.46
  5. Step 5: Solve for x
    x = 30,556,382.46/5,999.92
  6. Step 6: Final answer
    x = 5,092.80

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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.