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Finding the Fourth Proportional to 7,794.55, 11,696.44 and 2,867.65

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Solution

The fourth proportional to 7,794.55, 11,696.44 and 2,867.65 is: 4,303.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,794.55 : 11,696.44 = 2,867.65 : x
  2. Step 2: Convert to fraction form
    7,794.55/11,696.44 = 2,867.65/x
  3. Step 3: Cross multiply
    7,794.55x = 11,696.44 × 2,867.65
  4. Step 4: Simplify right side
    7,794.55x = 33,541,287.06
  5. Step 5: Solve for x
    x = 33,541,287.06/7,794.55
  6. Step 6: Final answer
    x = 4,303.17

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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.