Home / 4,736.65-7,105.80-1,961.80

Finding the Fourth Proportional to 4,736.65, 7,105.80 and 1,961.80

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Solution

The fourth proportional to 4,736.65, 7,105.80 and 1,961.80 is: 2,943.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,736.65 : 7,105.80 = 1,961.80 : x
  2. Step 2: Convert to fraction form
    4,736.65/7,105.80 = 1,961.80/x
  3. Step 3: Cross multiply
    4,736.65x = 7,105.80 × 1,961.80
  4. Step 4: Simplify right side
    4,736.65x = 13,940,158.44
  5. Step 5: Solve for x
    x = 13,940,158.44/4,736.65
  6. Step 6: Final answer
    x = 2,943.04

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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.