Home / 4,479.80-6,181.89-2,490.03

Finding the Fourth Proportional to 4,479.80, 6,181.89 and 2,490.03

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Solution

The fourth proportional to 4,479.80, 6,181.89 and 2,490.03 is: 3,436.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.80 : 6,181.89 = 2,490.03 : x
  2. Step 2: Convert to fraction form
    4,479.80/6,181.89 = 2,490.03/x
  3. Step 3: Cross multiply
    4,479.80x = 6,181.89 × 2,490.03
  4. Step 4: Simplify right side
    4,479.80x = 15,393,091.56
  5. Step 5: Solve for x
    x = 15,393,091.56/4,479.80
  6. Step 6: Final answer
    x = 3,436.12

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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.