Home / 7,757.07-11,628.79-3,080.38

Finding the Fourth Proportional to 7,757.07, 11,628.79 and 3,080.38

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Solution

The fourth proportional to 7,757.07, 11,628.79 and 3,080.38 is: 4,617.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,757.07 : 11,628.79 = 3,080.38 : x
  2. Step 2: Convert to fraction form
    7,757.07/11,628.79 = 3,080.38/x
  3. Step 3: Cross multiply
    7,757.07x = 11,628.79 × 3,080.38
  4. Step 4: Simplify right side
    7,757.07x = 35,821,055.37
  5. Step 5: Solve for x
    x = 35,821,055.37/7,757.07
  6. Step 6: Final answer
    x = 4,617.86

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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.