Home / 6,905.56-9,529.78-3,761.75

Finding the Fourth Proportional to 6,905.56, 9,529.78 and 3,761.75

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Solution

The fourth proportional to 6,905.56, 9,529.78 and 3,761.75 is: 5,191.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.56 : 9,529.78 = 3,761.75 : x
  2. Step 2: Convert to fraction form
    6,905.56/9,529.78 = 3,761.75/x
  3. Step 3: Cross multiply
    6,905.56x = 9,529.78 × 3,761.75
  4. Step 4: Simplify right side
    6,905.56x = 35,848,649.92
  5. Step 5: Solve for x
    x = 35,848,649.92/6,905.56
  6. Step 6: Final answer
    x = 5,191.27

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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.