Home / 6,787.43-9,362.09-3,992.93

Finding the Fourth Proportional to 6,787.43, 9,362.09 and 3,992.93

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Solution

The fourth proportional to 6,787.43, 9,362.09 and 3,992.93 is: 5,507.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.43 : 9,362.09 = 3,992.93 : x
  2. Step 2: Convert to fraction form
    6,787.43/9,362.09 = 3,992.93/x
  3. Step 3: Cross multiply
    6,787.43x = 9,362.09 × 3,992.93
  4. Step 4: Simplify right side
    6,787.43x = 37,382,150.06
  5. Step 5: Solve for x
    x = 37,382,150.06/6,787.43
  6. Step 6: Final answer
    x = 5,507.56

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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.