Home / 6,276.82-8,663.70-3,917.56

Finding the Fourth Proportional to 6,276.82, 8,663.70 and 3,917.56

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Solution

The fourth proportional to 6,276.82, 8,663.70 and 3,917.56 is: 5,407.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.82 : 8,663.70 = 3,917.56 : x
  2. Step 2: Convert to fraction form
    6,276.82/8,663.70 = 3,917.56/x
  3. Step 3: Cross multiply
    6,276.82x = 8,663.70 × 3,917.56
  4. Step 4: Simplify right side
    6,276.82x = 33,940,564.57
  5. Step 5: Solve for x
    x = 33,940,564.57/6,276.82
  6. Step 6: Final answer
    x = 5,407.29

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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.