Home / 4,511.28-6,226.66-2,919.68

Finding the Fourth Proportional to 4,511.28, 6,226.66 and 2,919.68

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Solution

The fourth proportional to 4,511.28, 6,226.66 and 2,919.68 is: 4,029.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,511.28 : 6,226.66 = 2,919.68 : x
  2. Step 2: Convert to fraction form
    4,511.28/6,226.66 = 2,919.68/x
  3. Step 3: Cross multiply
    4,511.28x = 6,226.66 × 2,919.68
  4. Step 4: Simplify right side
    4,511.28x = 18,179,854.67
  5. Step 5: Solve for x
    x = 18,179,854.67/4,511.28
  6. Step 6: Final answer
    x = 4,029.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.