Home / 4,556.71-6,836.78-1,785.36

Finding the Fourth Proportional to 4,556.71, 6,836.78 and 1,785.36

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Solution

The fourth proportional to 4,556.71, 6,836.78 and 1,785.36 is: 2,678.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,556.71 : 6,836.78 = 1,785.36 : x
  2. Step 2: Convert to fraction form
    4,556.71/6,836.78 = 1,785.36/x
  3. Step 3: Cross multiply
    4,556.71x = 6,836.78 × 1,785.36
  4. Step 4: Simplify right side
    4,556.71x = 12,206,113.54
  5. Step 5: Solve for x
    x = 12,206,113.54/4,556.71
  6. Step 6: Final answer
    x = 2,678.71

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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.