Home / 4,739.97-7,111.80-1,965.94

Finding the Fourth Proportional to 4,739.97, 7,111.80 and 1,965.94

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Solution

The fourth proportional to 4,739.97, 7,111.80 and 1,965.94 is: 2,949.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.97 : 7,111.80 = 1,965.94 : x
  2. Step 2: Convert to fraction form
    4,739.97/7,111.80 = 1,965.94/x
  3. Step 3: Cross multiply
    4,739.97x = 7,111.80 × 1,965.94
  4. Step 4: Simplify right side
    4,739.97x = 13,981,354.31
  5. Step 5: Solve for x
    x = 13,981,354.31/4,739.97
  6. Step 6: Final answer
    x = 2,949.67

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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.