Home / 4,478.37-6,180.65-2,489.12

Finding the Fourth Proportional to 4,478.37, 6,180.65 and 2,489.12

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Solution

The fourth proportional to 4,478.37, 6,180.65 and 2,489.12 is: 3,435.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.37 : 6,180.65 = 2,489.12 : x
  2. Step 2: Convert to fraction form
    4,478.37/6,180.65 = 2,489.12/x
  3. Step 3: Cross multiply
    4,478.37x = 6,180.65 × 2,489.12
  4. Step 4: Simplify right side
    4,478.37x = 15,384,354.85
  5. Step 5: Solve for x
    x = 15,384,354.85/4,478.37
  6. Step 6: Final answer
    x = 3,435.26

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