Home / 8,682.06-13,022.91-2,108.28

Finding the Fourth Proportional to 8,682.06, 13,022.91 and 2,108.28

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Solution

The fourth proportional to 8,682.06, 13,022.91 and 2,108.28 is: 3,162.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.06 : 13,022.91 = 2,108.28 : x
  2. Step 2: Convert to fraction form
    8,682.06/13,022.91 = 2,108.28/x
  3. Step 3: Cross multiply
    8,682.06x = 13,022.91 × 2,108.28
  4. Step 4: Simplify right side
    8,682.06x = 27,455,940.69
  5. Step 5: Solve for x
    x = 27,455,940.69/8,682.06
  6. Step 6: Final answer
    x = 3,162.38

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1.5x scale

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.