Home / 4,155.28-6,234.04-1,815.48

Finding the Fourth Proportional to 4,155.28, 6,234.04 and 1,815.48

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Solution

The fourth proportional to 4,155.28, 6,234.04 and 1,815.48 is: 2,723.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.28 : 6,234.04 = 1,815.48 : x
  2. Step 2: Convert to fraction form
    4,155.28/6,234.04 = 1,815.48/x
  3. Step 3: Cross multiply
    4,155.28x = 6,234.04 × 1,815.48
  4. Step 4: Simplify right side
    4,155.28x = 11,317,774.94
  5. Step 5: Solve for x
    x = 11,317,774.94/4,155.28
  6. Step 6: Final answer
    x = 2,723.71

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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.