Home / 4,211.44-6,311.40-2,669.68

Finding the Fourth Proportional to 4,211.44, 6,311.40 and 2,669.68

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Solution

The fourth proportional to 4,211.44, 6,311.40 and 2,669.68 is: 4,000.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.44 : 6,311.40 = 2,669.68 : x
  2. Step 2: Convert to fraction form
    4,211.44/6,311.40 = 2,669.68/x
  3. Step 3: Cross multiply
    4,211.44x = 6,311.40 × 2,669.68
  4. Step 4: Simplify right side
    4,211.44x = 16,849,418.35
  5. Step 5: Solve for x
    x = 16,849,418.35/4,211.44
  6. Step 6: Final answer
    x = 4,000.87

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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.