Home / 7,743.80-11,616.14-2,196.71

Finding the Fourth Proportional to 7,743.80, 11,616.14 and 2,196.71

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Solution

The fourth proportional to 7,743.80, 11,616.14 and 2,196.71 is: 3,295.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.80 : 11,616.14 = 2,196.71 : x
  2. Step 2: Convert to fraction form
    7,743.80/11,616.14 = 2,196.71/x
  3. Step 3: Cross multiply
    7,743.80x = 11,616.14 × 2,196.71
  4. Step 4: Simplify right side
    7,743.80x = 25,517,281.87
  5. Step 5: Solve for x
    x = 25,517,281.87/7,743.80
  6. Step 6: Final answer
    x = 3,295.19

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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.