Home / 7,309.68-10,961.93-2,628.79

Finding the Fourth Proportional to 7,309.68, 10,961.93 and 2,628.79

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Solution

The fourth proportional to 7,309.68, 10,961.93 and 2,628.79 is: 3,942.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.68 : 10,961.93 = 2,628.79 : x
  2. Step 2: Convert to fraction form
    7,309.68/10,961.93 = 2,628.79/x
  3. Step 3: Cross multiply
    7,309.68x = 10,961.93 × 2,628.79
  4. Step 4: Simplify right side
    7,309.68x = 28,816,591.13
  5. Step 5: Solve for x
    x = 28,816,591.13/7,309.68
  6. Step 6: Final answer
    x = 3,942.25

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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.