Home / 7,743.38-11,615.51-2,196.29

Finding the Fourth Proportional to 7,743.38, 11,615.51 and 2,196.29

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Solution

The fourth proportional to 7,743.38, 11,615.51 and 2,196.29 is: 3,294.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.38 : 11,615.51 = 2,196.29 : x
  2. Step 2: Convert to fraction form
    7,743.38/11,615.51 = 2,196.29/x
  3. Step 3: Cross multiply
    7,743.38x = 11,615.51 × 2,196.29
  4. Step 4: Simplify right side
    7,743.38x = 25,510,981.47
  5. Step 5: Solve for x
    x = 25,510,981.47/7,743.38
  6. Step 6: Final answer
    x = 3,294.55

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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.