Home / 6,686.15-10,029.78-2,005.83

Finding the Fourth Proportional to 6,686.15, 10,029.78 and 2,005.83

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Solution

The fourth proportional to 6,686.15, 10,029.78 and 2,005.83 is: 3,008.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.15 : 10,029.78 = 2,005.83 : x
  2. Step 2: Convert to fraction form
    6,686.15/10,029.78 = 2,005.83/x
  3. Step 3: Cross multiply
    6,686.15x = 10,029.78 × 2,005.83
  4. Step 4: Simplify right side
    6,686.15x = 20,118,033.62
  5. Step 5: Solve for x
    x = 20,118,033.62/6,686.15
  6. Step 6: Final answer
    x = 3,008.91

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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.