Home / 7,827.35-11,743.91-3,668.72

Finding the Fourth Proportional to 7,827.35, 11,743.91 and 3,668.72

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Solution

The fourth proportional to 7,827.35, 11,743.91 and 3,668.72 is: 5,504.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.35 : 11,743.91 = 3,668.72 : x
  2. Step 2: Convert to fraction form
    7,827.35/11,743.91 = 3,668.72/x
  3. Step 3: Cross multiply
    7,827.35x = 11,743.91 × 3,668.72
  4. Step 4: Simplify right side
    7,827.35x = 43,085,040.43
  5. Step 5: Solve for x
    x = 43,085,040.43/7,827.35
  6. Step 6: Final answer
    x = 5,504.43

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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.