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Finding the Fourth Proportional to 3,999.86, 6,000.80 and 2,832.15

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Solution

The fourth proportional to 3,999.86, 6,000.80 and 2,832.15 is: 4,248.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.86 : 6,000.80 = 2,832.15 : x
  2. Step 2: Convert to fraction form
    3,999.86/6,000.80 = 2,832.15/x
  3. Step 3: Cross multiply
    3,999.86x = 6,000.80 × 2,832.15
  4. Step 4: Simplify right side
    3,999.86x = 16,995,165.72
  5. Step 5: Solve for x
    x = 16,995,165.72/3,999.86
  6. Step 6: Final answer
    x = 4,248.94

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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.