Home / 6,686.64-10,029.96-2,786.49

Finding the Fourth Proportional to 6,686.64, 10,029.96 and 2,786.49

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Solution

The fourth proportional to 6,686.64, 10,029.96 and 2,786.49 is: 4,179.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.64 : 10,029.96 = 2,786.49 : x
  2. Step 2: Convert to fraction form
    6,686.64/10,029.96 = 2,786.49/x
  3. Step 3: Cross multiply
    6,686.64x = 10,029.96 × 2,786.49
  4. Step 4: Simplify right side
    6,686.64x = 27,948,383.24
  5. Step 5: Solve for x
    x = 27,948,383.24/6,686.64
  6. Step 6: Final answer
    x = 4,179.74

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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.