Home / 5,204.28-7,180.74-3,108

Finding the Fourth Proportional to 5,204.28, 7,180.74 and 3,108

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Solution

The fourth proportional to 5,204.28, 7,180.74 and 3,108 is: 4,288.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.28 : 7,180.74 = 3,108 : x
  2. Step 2: Convert to fraction form
    5,204.28/7,180.74 = 3,108/x
  3. Step 3: Cross multiply
    5,204.28x = 7,180.74 × 3,108
  4. Step 4: Simplify right side
    5,204.28x = 22,317,739.92
  5. Step 5: Solve for x
    x = 22,317,739.92/5,204.28
  6. Step 6: Final answer
    x = 4,288.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.