Home / 4,425.70-6,636.31-1,961.28

Finding the Fourth Proportional to 4,425.70, 6,636.31 and 1,961.28

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Solution

The fourth proportional to 4,425.70, 6,636.31 and 1,961.28 is: 2,940.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,425.70 : 6,636.31 = 1,961.28 : x
  2. Step 2: Convert to fraction form
    4,425.70/6,636.31 = 1,961.28/x
  3. Step 3: Cross multiply
    4,425.70x = 6,636.31 × 1,961.28
  4. Step 4: Simplify right side
    4,425.70x = 13,015,662.08
  5. Step 5: Solve for x
    x = 13,015,662.08/4,425.70
  6. Step 6: Final answer
    x = 2,940.93

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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.