Home / 6,422.94-8,863.49-3,590.33

Finding the Fourth Proportional to 6,422.94, 8,863.49 and 3,590.33

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Solution

The fourth proportional to 6,422.94, 8,863.49 and 3,590.33 is: 4,954.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.94 : 8,863.49 = 3,590.33 : x
  2. Step 2: Convert to fraction form
    6,422.94/8,863.49 = 3,590.33/x
  3. Step 3: Cross multiply
    6,422.94x = 8,863.49 × 3,590.33
  4. Step 4: Simplify right side
    6,422.94x = 31,822,791.78
  5. Step 5: Solve for x
    x = 31,822,791.78/6,422.94
  6. Step 6: Final answer
    x = 4,954.55

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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.