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Finding the Fourth Proportional to 7,797.26, 11,696.75 and 2,866.89

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Solution

The fourth proportional to 7,797.26, 11,696.75 and 2,866.89 is: 4,300.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,797.26 : 11,696.75 = 2,866.89 : x
  2. Step 2: Convert to fraction form
    7,797.26/11,696.75 = 2,866.89/x
  3. Step 3: Cross multiply
    7,797.26x = 11,696.75 × 2,866.89
  4. Step 4: Simplify right side
    7,797.26x = 33,533,352.01
  5. Step 5: Solve for x
    x = 33,533,352.01/7,797.26
  6. Step 6: Final answer
    x = 4,300.66

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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.