Home / 4,747.44-7,116.36-3,107.28

Finding the Fourth Proportional to 4,747.44, 7,116.36 and 3,107.28

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Solution

The fourth proportional to 4,747.44, 7,116.36 and 3,107.28 is: 4,657.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.44 : 7,116.36 = 3,107.28 : x
  2. Step 2: Convert to fraction form
    4,747.44/7,116.36 = 3,107.28/x
  3. Step 3: Cross multiply
    4,747.44x = 7,116.36 × 3,107.28
  4. Step 4: Simplify right side
    4,747.44x = 22,112,523.10
  5. Step 5: Solve for x
    x = 22,112,523.10/4,747.44
  6. Step 6: Final answer
    x = 4,657.78

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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.