Home / 7,721.93-11,585.97-2,791.94

Finding the Fourth Proportional to 7,721.93, 11,585.97 and 2,791.94

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Solution

The fourth proportional to 7,721.93, 11,585.97 and 2,791.94 is: 4,189.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.93 : 11,585.97 = 2,791.94 : x
  2. Step 2: Convert to fraction form
    7,721.93/11,585.97 = 2,791.94/x
  3. Step 3: Cross multiply
    7,721.93x = 11,585.97 × 2,791.94
  4. Step 4: Simplify right side
    7,721.93x = 32,347,275.15
  5. Step 5: Solve for x
    x = 32,347,275.15/7,721.93
  6. Step 6: Final answer
    x = 4,189.01

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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.