Home / 6,213.36-8,576.28-3,976.56

Finding the Fourth Proportional to 6,213.36, 8,576.28 and 3,976.56

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Solution

The fourth proportional to 6,213.36, 8,576.28 and 3,976.56 is: 5,488.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.36 : 8,576.28 = 3,976.56 : x
  2. Step 2: Convert to fraction form
    6,213.36/8,576.28 = 3,976.56/x
  3. Step 3: Cross multiply
    6,213.36x = 8,576.28 × 3,976.56
  4. Step 4: Simplify right side
    6,213.36x = 34,104,092.00
  5. Step 5: Solve for x
    x = 34,104,092.00/6,213.36
  6. Step 6: Final answer
    x = 5,488.83

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1.5x scale

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.