Home / 7,824.30-11,736.36-1,901.25

Finding the Fourth Proportional to 7,824.30, 11,736.36 and 1,901.25

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Solution

The fourth proportional to 7,824.30, 11,736.36 and 1,901.25 is: 2,851.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.30 : 11,736.36 = 1,901.25 : x
  2. Step 2: Convert to fraction form
    7,824.30/11,736.36 = 1,901.25/x
  3. Step 3: Cross multiply
    7,824.30x = 11,736.36 × 1,901.25
  4. Step 4: Simplify right side
    7,824.30x = 22,313,754.45
  5. Step 5: Solve for x
    x = 22,313,754.45/7,824.30
  6. Step 6: Final answer
    x = 2,851.85

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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.