Home / 7,997.13-11,995.58-3,611.52

Finding the Fourth Proportional to 7,997.13, 11,995.58 and 3,611.52

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Solution

The fourth proportional to 7,997.13, 11,995.58 and 3,611.52 is: 5,417.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.13 : 11,995.58 = 3,611.52 : x
  2. Step 2: Convert to fraction form
    7,997.13/11,995.58 = 3,611.52/x
  3. Step 3: Cross multiply
    7,997.13x = 11,995.58 × 3,611.52
  4. Step 4: Simplify right side
    7,997.13x = 43,322,286.11
  5. Step 5: Solve for x
    x = 43,322,286.11/7,997.13
  6. Step 6: Final answer
    x = 5,417.23

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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.