Home / 6,828.10-9,422.75-3,843.95

Finding the Fourth Proportional to 6,828.10, 9,422.75 and 3,843.95

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Solution

The fourth proportional to 6,828.10, 9,422.75 and 3,843.95 is: 5,304.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.10 : 9,422.75 = 3,843.95 : x
  2. Step 2: Convert to fraction form
    6,828.10/9,422.75 = 3,843.95/x
  3. Step 3: Cross multiply
    6,828.10x = 9,422.75 × 3,843.95
  4. Step 4: Simplify right side
    6,828.10x = 36,220,542.36
  5. Step 5: Solve for x
    x = 36,220,542.36/6,828.10
  6. Step 6: Final answer
    x = 5,304.63

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1.5x scale

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.