Home / 6,809.25-10,214.79-3,112.62

Finding the Fourth Proportional to 6,809.25, 10,214.79 and 3,112.62

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Solution

The fourth proportional to 6,809.25, 10,214.79 and 3,112.62 is: 4,669.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809.25 : 10,214.79 = 3,112.62 : x
  2. Step 2: Convert to fraction form
    6,809.25/10,214.79 = 3,112.62/x
  3. Step 3: Cross multiply
    6,809.25x = 10,214.79 × 3,112.62
  4. Step 4: Simplify right side
    6,809.25x = 31,794,759.65
  5. Step 5: Solve for x
    x = 31,794,759.65/6,809.25
  6. Step 6: Final answer
    x = 4,669.35

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1.5x scale

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.