Home / 6,905.33-9,529.47-3,921.26

Finding the Fourth Proportional to 6,905.33, 9,529.47 and 3,921.26

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Solution

The fourth proportional to 6,905.33, 9,529.47 and 3,921.26 is: 5,411.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.33 : 9,529.47 = 3,921.26 : x
  2. Step 2: Convert to fraction form
    6,905.33/9,529.47 = 3,921.26/x
  3. Step 3: Cross multiply
    6,905.33x = 9,529.47 × 3,921.26
  4. Step 4: Simplify right side
    6,905.33x = 37,367,481.88
  5. Step 5: Solve for x
    x = 37,367,481.88/6,905.33
  6. Step 6: Final answer
    x = 5,411.40

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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.