Home / 7,736.82-11,603.74-2,188.82

Finding the Fourth Proportional to 7,736.82, 11,603.74 and 2,188.82

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Solution

The fourth proportional to 7,736.82, 11,603.74 and 2,188.82 is: 3,282.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,736.82 : 11,603.74 = 2,188.82 : x
  2. Step 2: Convert to fraction form
    7,736.82/11,603.74 = 2,188.82/x
  3. Step 3: Cross multiply
    7,736.82x = 11,603.74 × 2,188.82
  4. Step 4: Simplify right side
    7,736.82x = 25,398,535.06
  5. Step 5: Solve for x
    x = 25,398,535.06/7,736.82
  6. Step 6: Final answer
    x = 3,282.81

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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.