Home / 4,540.72-6,814.32-1,619.05

Finding the Fourth Proportional to 4,540.72, 6,814.32 and 1,619.05

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Solution

The fourth proportional to 4,540.72, 6,814.32 and 1,619.05 is: 2,429.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,540.72 : 6,814.32 = 1,619.05 : x
  2. Step 2: Convert to fraction form
    4,540.72/6,814.32 = 1,619.05/x
  3. Step 3: Cross multiply
    4,540.72x = 6,814.32 × 1,619.05
  4. Step 4: Simplify right side
    4,540.72x = 11,032,724.80
  5. Step 5: Solve for x
    x = 11,032,724.80/4,540.72
  6. Step 6: Final answer
    x = 2,429.73

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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.