Home / 4,279.19-5,906.60-2,784.47

Finding the Fourth Proportional to 4,279.19, 5,906.60 and 2,784.47

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Solution

The fourth proportional to 4,279.19, 5,906.60 and 2,784.47 is: 3,843.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.19 : 5,906.60 = 2,784.47 : x
  2. Step 2: Convert to fraction form
    4,279.19/5,906.60 = 2,784.47/x
  3. Step 3: Cross multiply
    4,279.19x = 5,906.60 × 2,784.47
  4. Step 4: Simplify right side
    4,279.19x = 16,446,750.50
  5. Step 5: Solve for x
    x = 16,446,750.50/4,279.19
  6. Step 6: Final answer
    x = 3,843.43

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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.