Home / 4,905.82-7,359.46-1,619.26

Finding the Fourth Proportional to 4,905.82, 7,359.46 and 1,619.26

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Solution

The fourth proportional to 4,905.82, 7,359.46 and 1,619.26 is: 2,429.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.82 : 7,359.46 = 1,619.26 : x
  2. Step 2: Convert to fraction form
    4,905.82/7,359.46 = 1,619.26/x
  3. Step 3: Cross multiply
    4,905.82x = 7,359.46 × 1,619.26
  4. Step 4: Simplify right side
    4,905.82x = 11,916,879.20
  5. Step 5: Solve for x
    x = 11,916,879.20/4,905.82
  6. Step 6: Final answer
    x = 2,429.13

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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.