Home / 8,629.25-11,901.89-5,981.09

Finding the Fourth Proportional to 8,629.25, 11,901.89 and 5,981.09

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Solution

The fourth proportional to 8,629.25, 11,901.89 and 5,981.09 is: 8,249.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.25 : 11,901.89 = 5,981.09 : x
  2. Step 2: Convert to fraction form
    8,629.25/11,901.89 = 5,981.09/x
  3. Step 3: Cross multiply
    8,629.25x = 11,901.89 × 5,981.09
  4. Step 4: Simplify right side
    8,629.25x = 71,186,245.35
  5. Step 5: Solve for x
    x = 71,186,245.35/8,629.25
  6. Step 6: Final answer
    x = 8,249.41

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1.5x scale

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.