Home / 4,786.30-6,605.13-2,690.41

Finding the Fourth Proportional to 4,786.30, 6,605.13 and 2,690.41

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Solution

The fourth proportional to 4,786.30, 6,605.13 and 2,690.41 is: 3,712.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.30 : 6,605.13 = 2,690.41 : x
  2. Step 2: Convert to fraction form
    4,786.30/6,605.13 = 2,690.41/x
  3. Step 3: Cross multiply
    4,786.30x = 6,605.13 × 2,690.41
  4. Step 4: Simplify right side
    4,786.30x = 17,770,507.80
  5. Step 5: Solve for x
    x = 17,770,507.80/4,786.30
  6. Step 6: Final answer
    x = 3,712.79

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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.