Home / 6,320.24-9,481.42-1,936.64

Finding the Fourth Proportional to 6,320.24, 9,481.42 and 1,936.64

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Solution

The fourth proportional to 6,320.24, 9,481.42 and 1,936.64 is: 2,905.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.24 : 9,481.42 = 1,936.64 : x
  2. Step 2: Convert to fraction form
    6,320.24/9,481.42 = 1,936.64/x
  3. Step 3: Cross multiply
    6,320.24x = 9,481.42 × 1,936.64
  4. Step 4: Simplify right side
    6,320.24x = 18,362,097.23
  5. Step 5: Solve for x
    x = 18,362,097.23/6,320.24
  6. Step 6: Final answer
    x = 2,905.28

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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.