Home / 4,761.31-7,141.96-1,642.21

Finding the Fourth Proportional to 4,761.31, 7,141.96 and 1,642.21

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Solution

The fourth proportional to 4,761.31, 7,141.96 and 1,642.21 is: 2,463.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,761.31 : 7,141.96 = 1,642.21 : x
  2. Step 2: Convert to fraction form
    4,761.31/7,141.96 = 1,642.21/x
  3. Step 3: Cross multiply
    4,761.31x = 7,141.96 × 1,642.21
  4. Step 4: Simplify right side
    4,761.31x = 11,728,584.38
  5. Step 5: Solve for x
    x = 11,728,584.38/4,761.31
  6. Step 6: Final answer
    x = 2,463.31

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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.