Home / 5,371.83-7,410.41-3,378.62

Finding the Fourth Proportional to 5,371.83, 7,410.41 and 3,378.62

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Solution

The fourth proportional to 5,371.83, 7,410.41 and 3,378.62 is: 4,660.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.83 : 7,410.41 = 3,378.62 : x
  2. Step 2: Convert to fraction form
    5,371.83/7,410.41 = 3,378.62/x
  3. Step 3: Cross multiply
    5,371.83x = 7,410.41 × 3,378.62
  4. Step 4: Simplify right side
    5,371.83x = 25,036,959.43
  5. Step 5: Solve for x
    x = 25,036,959.43/5,371.83
  6. Step 6: Final answer
    x = 4,660.79

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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.