Home / 4,479.48-6,181.38-2,489.90

Finding the Fourth Proportional to 4,479.48, 6,181.38 and 2,489.90

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Solution

The fourth proportional to 4,479.48, 6,181.38 and 2,489.90 is: 3,435.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.48 : 6,181.38 = 2,489.90 : x
  2. Step 2: Convert to fraction form
    4,479.48/6,181.38 = 2,489.90/x
  3. Step 3: Cross multiply
    4,479.48x = 6,181.38 × 2,489.90
  4. Step 4: Simplify right side
    4,479.48x = 15,391,018.06
  5. Step 5: Solve for x
    x = 15,391,018.06/4,479.48
  6. Step 6: Final answer
    x = 3,435.89

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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.