Home / 5,137.31-7,705.96-3,289.29

Finding the Fourth Proportional to 5,137.31, 7,705.96 and 3,289.29

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Solution

The fourth proportional to 5,137.31, 7,705.96 and 3,289.29 is: 4,933.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.31 : 7,705.96 = 3,289.29 : x
  2. Step 2: Convert to fraction form
    5,137.31/7,705.96 = 3,289.29/x
  3. Step 3: Cross multiply
    5,137.31x = 7,705.96 × 3,289.29
  4. Step 4: Simplify right side
    5,137.31x = 25,347,128.95
  5. Step 5: Solve for x
    x = 25,347,128.95/5,137.31
  6. Step 6: Final answer
    x = 4,933.94

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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.