Home / 5,122.31-7,687.57-2,350.29

Finding the Fourth Proportional to 5,122.31, 7,687.57 and 2,350.29

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Solution

The fourth proportional to 5,122.31, 7,687.57 and 2,350.29 is: 3,527.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.31 : 7,687.57 = 2,350.29 : x
  2. Step 2: Convert to fraction form
    5,122.31/7,687.57 = 2,350.29/x
  3. Step 3: Cross multiply
    5,122.31x = 7,687.57 × 2,350.29
  4. Step 4: Simplify right side
    5,122.31x = 18,068,018.90
  5. Step 5: Solve for x
    x = 18,068,018.90/5,122.31
  6. Step 6: Final answer
    x = 3,527.32

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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.