Home / 8,628.07-11,906.81-4,851

Finding the Fourth Proportional to 8,628.07, 11,906.81 and 4,851

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Solution

The fourth proportional to 8,628.07, 11,906.81 and 4,851 is: 6,694.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.07 : 11,906.81 = 4,851 : x
  2. Step 2: Convert to fraction form
    8,628.07/11,906.81 = 4,851/x
  3. Step 3: Cross multiply
    8,628.07x = 11,906.81 × 4,851
  4. Step 4: Simplify right side
    8,628.07x = 57,759,935.31
  5. Step 5: Solve for x
    x = 57,759,935.31/8,628.07
  6. Step 6: Final answer
    x = 6,694.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.