Home / 7,964.82-11,939.67-2,965.86

Finding the Fourth Proportional to 7,964.82, 11,939.67 and 2,965.86

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Solution

The fourth proportional to 7,964.82, 11,939.67 and 2,965.86 is: 4,445.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.82 : 11,939.67 = 2,965.86 : x
  2. Step 2: Convert to fraction form
    7,964.82/11,939.67 = 2,965.86/x
  3. Step 3: Cross multiply
    7,964.82x = 11,939.67 × 2,965.86
  4. Step 4: Simplify right side
    7,964.82x = 35,411,389.67
  5. Step 5: Solve for x
    x = 35,411,389.67/7,964.82
  6. Step 6: Final answer
    x = 4,445.97

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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.