Home / 8,828.69-13,246.43-3,894.84

Finding the Fourth Proportional to 8,828.69, 13,246.43 and 3,894.84

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Solution

The fourth proportional to 8,828.69, 13,246.43 and 3,894.84 is: 5,843.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.69 : 13,246.43 = 3,894.84 : x
  2. Step 2: Convert to fraction form
    8,828.69/13,246.43 = 3,894.84/x
  3. Step 3: Cross multiply
    8,828.69x = 13,246.43 × 3,894.84
  4. Step 4: Simplify right side
    8,828.69x = 51,592,705.95
  5. Step 5: Solve for x
    x = 51,592,705.95/8,828.69
  6. Step 6: Final answer
    x = 5,843.76

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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.