Home / 4,192.77-6,286.66-1,418.65

Finding the Fourth Proportional to 4,192.77, 6,286.66 and 1,418.65

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Solution

The fourth proportional to 4,192.77, 6,286.66 and 1,418.65 is: 2,127.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.77 : 6,286.66 = 1,418.65 : x
  2. Step 2: Convert to fraction form
    4,192.77/6,286.66 = 1,418.65/x
  3. Step 3: Cross multiply
    4,192.77x = 6,286.66 × 1,418.65
  4. Step 4: Simplify right side
    4,192.77x = 8,918,563.12
  5. Step 5: Solve for x
    x = 8,918,563.12/4,192.77
  6. Step 6: Final answer
    x = 2,127.13

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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.