Home / 5,618.94-8,425.81-3,279.63

Finding the Fourth Proportional to 5,618.94, 8,425.81 and 3,279.63

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Solution

The fourth proportional to 5,618.94, 8,425.81 and 3,279.63 is: 4,917.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.94 : 8,425.81 = 3,279.63 : x
  2. Step 2: Convert to fraction form
    5,618.94/8,425.81 = 3,279.63/x
  3. Step 3: Cross multiply
    5,618.94x = 8,425.81 × 3,279.63
  4. Step 4: Simplify right side
    5,618.94x = 27,633,531.05
  5. Step 5: Solve for x
    x = 27,633,531.05/5,618.94
  6. Step 6: Final answer
    x = 4,917.93

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1.5x scale

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.