Home / 7,991.82-11,028.17-4,634.37

Finding the Fourth Proportional to 7,991.82, 11,028.17 and 4,634.37

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Solution

The fourth proportional to 7,991.82, 11,028.17 and 4,634.37 is: 6,395.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991.82 : 11,028.17 = 4,634.37 : x
  2. Step 2: Convert to fraction form
    7,991.82/11,028.17 = 4,634.37/x
  3. Step 3: Cross multiply
    7,991.82x = 11,028.17 × 4,634.37
  4. Step 4: Simplify right side
    7,991.82x = 51,108,597.03
  5. Step 5: Solve for x
    x = 51,108,597.03/7,991.82
  6. Step 6: Final answer
    x = 6,395.11

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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.