Home / 4,140.96-6,211.42-2,913.85

Finding the Fourth Proportional to 4,140.96, 6,211.42 and 2,913.85

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Solution

The fourth proportional to 4,140.96, 6,211.42 and 2,913.85 is: 4,370.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.96 : 6,211.42 = 2,913.85 : x
  2. Step 2: Convert to fraction form
    4,140.96/6,211.42 = 2,913.85/x
  3. Step 3: Cross multiply
    4,140.96x = 6,211.42 × 2,913.85
  4. Step 4: Simplify right side
    4,140.96x = 18,099,146.17
  5. Step 5: Solve for x
    x = 18,099,146.17/4,140.96
  6. Step 6: Final answer
    x = 4,370.76

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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.