Home / 7,824.09-11,733.71-2,628.75

Finding the Fourth Proportional to 7,824.09, 11,733.71 and 2,628.75

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Solution

The fourth proportional to 7,824.09, 11,733.71 and 2,628.75 is: 3,942.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.09 : 11,733.71 = 2,628.75 : x
  2. Step 2: Convert to fraction form
    7,824.09/11,733.71 = 2,628.75/x
  3. Step 3: Cross multiply
    7,824.09x = 11,733.71 × 2,628.75
  4. Step 4: Simplify right side
    7,824.09x = 30,844,977.02
  5. Step 5: Solve for x
    x = 30,844,977.02/7,824.09
  6. Step 6: Final answer
    x = 3,942.31

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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.