Home / 6,313.28-9,481.44-2,857.28

Finding the Fourth Proportional to 6,313.28, 9,481.44 and 2,857.28

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Solution

The fourth proportional to 6,313.28, 9,481.44 and 2,857.28 is: 4,291.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,313.28 : 9,481.44 = 2,857.28 : x
  2. Step 2: Convert to fraction form
    6,313.28/9,481.44 = 2,857.28/x
  3. Step 3: Cross multiply
    6,313.28x = 9,481.44 × 2,857.28
  4. Step 4: Simplify right side
    6,313.28x = 27,091,128.88
  5. Step 5: Solve for x
    x = 27,091,128.88/6,313.28
  6. Step 6: Final answer
    x = 4,291.13

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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.