Home / 4,940.28-6,813.90-3,619.32

Finding the Fourth Proportional to 4,940.28, 6,813.90 and 3,619.32

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Solution

The fourth proportional to 4,940.28, 6,813.90 and 3,619.32 is: 4,991.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.28 : 6,813.90 = 3,619.32 : x
  2. Step 2: Convert to fraction form
    4,940.28/6,813.90 = 3,619.32/x
  3. Step 3: Cross multiply
    4,940.28x = 6,813.90 × 3,619.32
  4. Step 4: Simplify right side
    4,940.28x = 24,661,684.55
  5. Step 5: Solve for x
    x = 24,661,684.55/4,940.28
  6. Step 6: Final answer
    x = 4,991.96

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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.