Home / 4,215.60-6,318.66-2,568.54

Finding the Fourth Proportional to 4,215.60, 6,318.66 and 2,568.54

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Solution

The fourth proportional to 4,215.60, 6,318.66 and 2,568.54 is: 3,849.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.60 : 6,318.66 = 2,568.54 : x
  2. Step 2: Convert to fraction form
    4,215.60/6,318.66 = 2,568.54/x
  3. Step 3: Cross multiply
    4,215.60x = 6,318.66 × 2,568.54
  4. Step 4: Simplify right side
    4,215.60x = 16,229,730.96
  5. Step 5: Solve for x
    x = 16,229,730.96/4,215.60
  6. Step 6: Final answer
    x = 3,849.92

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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.