Home / 4,140.28-6,211.31-1,366.81

Finding the Fourth Proportional to 4,140.28, 6,211.31 and 1,366.81

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Solution

The fourth proportional to 4,140.28, 6,211.31 and 1,366.81 is: 2,050.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.28 : 6,211.31 = 1,366.81 : x
  2. Step 2: Convert to fraction form
    4,140.28/6,211.31 = 1,366.81/x
  3. Step 3: Cross multiply
    4,140.28x = 6,211.31 × 1,366.81
  4. Step 4: Simplify right side
    4,140.28x = 8,489,680.62
  5. Step 5: Solve for x
    x = 8,489,680.62/4,140.28
  6. Step 6: Final answer
    x = 2,050.51

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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.