Home / 4,418.56-6,621.90-2,228.86

Finding the Fourth Proportional to 4,418.56, 6,621.90 and 2,228.86

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Solution

The fourth proportional to 4,418.56, 6,621.90 and 2,228.86 is: 3,340.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418.56 : 6,621.90 = 2,228.86 : x
  2. Step 2: Convert to fraction form
    4,418.56/6,621.90 = 2,228.86/x
  3. Step 3: Cross multiply
    4,418.56x = 6,621.90 × 2,228.86
  4. Step 4: Simplify right side
    4,418.56x = 14,759,288.03
  5. Step 5: Solve for x
    x = 14,759,288.03/4,418.56
  6. Step 6: Final answer
    x = 3,340.29

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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.