Home / 4,918.19-6,787.19-3,857.22

Finding the Fourth Proportional to 4,918.19, 6,787.19 and 3,857.22

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Solution

The fourth proportional to 4,918.19, 6,787.19 and 3,857.22 is: 5,323.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.19 : 6,787.19 = 3,857.22 : x
  2. Step 2: Convert to fraction form
    4,918.19/6,787.19 = 3,857.22/x
  3. Step 3: Cross multiply
    4,918.19x = 6,787.19 × 3,857.22
  4. Step 4: Simplify right side
    4,918.19x = 26,179,694.65
  5. Step 5: Solve for x
    x = 26,179,694.65/4,918.19
  6. Step 6: Final answer
    x = 5,323.04

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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.