Home / 7,824.66-11,736.78-2,894.19

Finding the Fourth Proportional to 7,824.66, 11,736.78 and 2,894.19

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Solution

The fourth proportional to 7,824.66, 11,736.78 and 2,894.19 is: 4,341.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.66 : 11,736.78 = 2,894.19 : x
  2. Step 2: Convert to fraction form
    7,824.66/11,736.78 = 2,894.19/x
  3. Step 3: Cross multiply
    7,824.66x = 11,736.78 × 2,894.19
  4. Step 4: Simplify right side
    7,824.66x = 33,968,471.31
  5. Step 5: Solve for x
    x = 33,968,471.31/7,824.66
  6. Step 6: Final answer
    x = 4,341.21

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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.