Home / 7,743.47-11,615.81-2,196.92

Finding the Fourth Proportional to 7,743.47, 11,615.81 and 2,196.92

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Solution

The fourth proportional to 7,743.47, 11,615.81 and 2,196.92 is: 3,295.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.47 : 11,615.81 = 2,196.92 : x
  2. Step 2: Convert to fraction form
    7,743.47/11,615.81 = 2,196.92/x
  3. Step 3: Cross multiply
    7,743.47x = 11,615.81 × 2,196.92
  4. Step 4: Simplify right side
    7,743.47x = 25,519,023.36
  5. Step 5: Solve for x
    x = 25,519,023.36/7,743.47
  6. Step 6: Final answer
    x = 3,295.56

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1.5x scale

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.