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Finding the Fourth Proportional to 5,999.99, 9,000.90 and 2,879.42

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Solution

The fourth proportional to 5,999.99, 9,000.90 and 2,879.42 is: 4,319.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.99 : 9,000.90 = 2,879.42 : x
  2. Step 2: Convert to fraction form
    5,999.99/9,000.90 = 2,879.42/x
  3. Step 3: Cross multiply
    5,999.99x = 9,000.90 × 2,879.42
  4. Step 4: Simplify right side
    5,999.99x = 25,917,318.38
  5. Step 5: Solve for x
    x = 25,917,318.38/5,999.99
  6. Step 6: Final answer
    x = 4,319.56

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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.