Home / 7,829.49-11,736.81-2,895.78

Finding the Fourth Proportional to 7,829.49, 11,736.81 and 2,895.78

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Solution

The fourth proportional to 7,829.49, 11,736.81 and 2,895.78 is: 4,340.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.49 : 11,736.81 = 2,895.78 : x
  2. Step 2: Convert to fraction form
    7,829.49/11,736.81 = 2,895.78/x
  3. Step 3: Cross multiply
    7,829.49x = 11,736.81 × 2,895.78
  4. Step 4: Simplify right side
    7,829.49x = 33,987,219.66
  5. Step 5: Solve for x
    x = 33,987,219.66/7,829.49
  6. Step 6: Final answer
    x = 4,340.92

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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.