Home / 4,118.44-6,174.04-2,139.90

Finding the Fourth Proportional to 4,118.44, 6,174.04 and 2,139.90

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Solution

The fourth proportional to 4,118.44, 6,174.04 and 2,139.90 is: 3,207.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.44 : 6,174.04 = 2,139.90 : x
  2. Step 2: Convert to fraction form
    4,118.44/6,174.04 = 2,139.90/x
  3. Step 3: Cross multiply
    4,118.44x = 6,174.04 × 2,139.90
  4. Step 4: Simplify right side
    4,118.44x = 13,211,817.50
  5. Step 5: Solve for x
    x = 13,211,817.50/4,118.44
  6. Step 6: Final answer
    x = 3,207.97

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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.