Home / 4,405.02-6,605.38-2,181.28

Finding the Fourth Proportional to 4,405.02, 6,605.38 and 2,181.28

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Solution

The fourth proportional to 4,405.02, 6,605.38 and 2,181.28 is: 3,270.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.02 : 6,605.38 = 2,181.28 : x
  2. Step 2: Convert to fraction form
    4,405.02/6,605.38 = 2,181.28/x
  3. Step 3: Cross multiply
    4,405.02x = 6,605.38 × 2,181.28
  4. Step 4: Simplify right side
    4,405.02x = 14,408,183.29
  5. Step 5: Solve for x
    x = 14,408,183.29/4,405.02
  6. Step 6: Final answer
    x = 3,270.86

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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.