Home / 7,743.63-11,615.88-2,196.54

Finding the Fourth Proportional to 7,743.63, 11,615.88 and 2,196.54

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Solution

The fourth proportional to 7,743.63, 11,615.88 and 2,196.54 is: 3,294.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.63 : 11,615.88 = 2,196.54 : x
  2. Step 2: Convert to fraction form
    7,743.63/11,615.88 = 2,196.54/x
  3. Step 3: Cross multiply
    7,743.63x = 11,615.88 × 2,196.54
  4. Step 4: Simplify right side
    7,743.63x = 25,514,721.51
  5. Step 5: Solve for x
    x = 25,514,721.51/7,743.63
  6. Step 6: Final answer
    x = 3,294.93

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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.