Home / 5,147.28-7,722.36-2,025.36

Finding the Fourth Proportional to 5,147.28, 7,722.36 and 2,025.36

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Solution

The fourth proportional to 5,147.28, 7,722.36 and 2,025.36 is: 3,038.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.28 : 7,722.36 = 2,025.36 : x
  2. Step 2: Convert to fraction form
    5,147.28/7,722.36 = 2,025.36/x
  3. Step 3: Cross multiply
    5,147.28x = 7,722.36 × 2,025.36
  4. Step 4: Simplify right side
    5,147.28x = 15,640,559.05
  5. Step 5: Solve for x
    x = 15,640,559.05/5,147.28
  6. Step 6: Final answer
    x = 3,038.61

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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.