Home / 3,999.18-6,001.89-2,775.21

Finding the Fourth Proportional to 3,999.18, 6,001.89 and 2,775.21

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Solution

The fourth proportional to 3,999.18, 6,001.89 and 2,775.21 is: 4,164.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.18 : 6,001.89 = 2,775.21 : x
  2. Step 2: Convert to fraction form
    3,999.18/6,001.89 = 2,775.21/x
  3. Step 3: Cross multiply
    3,999.18x = 6,001.89 × 2,775.21
  4. Step 4: Simplify right side
    3,999.18x = 16,656,505.15
  5. Step 5: Solve for x
    x = 16,656,505.15/3,999.18
  6. Step 6: Final answer
    x = 4,164.98

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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.