Home / 4,490.82-6,736.20-3,719.70

Finding the Fourth Proportional to 4,490.82, 6,736.20 and 3,719.70

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Solution

The fourth proportional to 4,490.82, 6,736.20 and 3,719.70 is: 5,579.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490.82 : 6,736.20 = 3,719.70 : x
  2. Step 2: Convert to fraction form
    4,490.82/6,736.20 = 3,719.70/x
  3. Step 3: Cross multiply
    4,490.82x = 6,736.20 × 3,719.70
  4. Step 4: Simplify right side
    4,490.82x = 25,056,643.14
  5. Step 5: Solve for x
    x = 25,056,643.14/4,490.82
  6. Step 6: Final answer
    x = 5,579.53

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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.