Home / 7,736.05-11,602.78-2,188.14

Finding the Fourth Proportional to 7,736.05, 11,602.78 and 2,188.14

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Solution

The fourth proportional to 7,736.05, 11,602.78 and 2,188.14 is: 3,281.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,736.05 : 11,602.78 = 2,188.14 : x
  2. Step 2: Convert to fraction form
    7,736.05/11,602.78 = 2,188.14/x
  3. Step 3: Cross multiply
    7,736.05x = 11,602.78 × 2,188.14
  4. Step 4: Simplify right side
    7,736.05x = 25,388,507.03
  5. Step 5: Solve for x
    x = 25,388,507.03/7,736.05
  6. Step 6: Final answer
    x = 3,281.84

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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.