Home / 7,906.82-11,856.75-4,208.17

Finding the Fourth Proportional to 7,906.82, 11,856.75 and 4,208.17

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Solution

The fourth proportional to 7,906.82, 11,856.75 and 4,208.17 is: 6,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906.82 : 11,856.75 = 4,208.17 : x
  2. Step 2: Convert to fraction form
    7,906.82/11,856.75 = 4,208.17/x
  3. Step 3: Cross multiply
    7,906.82x = 11,856.75 × 4,208.17
  4. Step 4: Simplify right side
    7,906.82x = 49,895,196.46
  5. Step 5: Solve for x
    x = 49,895,196.46/7,906.82
  6. Step 6: Final answer
    x = 6,310.40

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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.