Home / 7,964.51-11,949.19-4,071.65

Finding the Fourth Proportional to 7,964.51, 11,949.19 and 4,071.65

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Solution

The fourth proportional to 7,964.51, 11,949.19 and 4,071.65 is: 6,108.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.51 : 11,949.19 = 4,071.65 : x
  2. Step 2: Convert to fraction form
    7,964.51/11,949.19 = 4,071.65/x
  3. Step 3: Cross multiply
    7,964.51x = 11,949.19 × 4,071.65
  4. Step 4: Simplify right side
    7,964.51x = 48,652,849.54
  5. Step 5: Solve for x
    x = 48,652,849.54/7,964.51
  6. Step 6: Final answer
    x = 6,108.71

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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.