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Finding the Fourth Proportional to 7,796.21, 11,694.39 and 2,602.07

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Solution

The fourth proportional to 7,796.21, 11,694.39 and 2,602.07 is: 3,903.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,796.21 : 11,694.39 = 2,602.07 : x
  2. Step 2: Convert to fraction form
    7,796.21/11,694.39 = 2,602.07/x
  3. Step 3: Cross multiply
    7,796.21x = 11,694.39 × 2,602.07
  4. Step 4: Simplify right side
    7,796.21x = 30,429,621.39
  5. Step 5: Solve for x
    x = 30,429,621.39/7,796.21
  6. Step 6: Final answer
    x = 3,903.13

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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.