Home / 4,272.77-5,897.36-2,778.09

Finding the Fourth Proportional to 4,272.77, 5,897.36 and 2,778.09

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Solution

The fourth proportional to 4,272.77, 5,897.36 and 2,778.09 is: 3,834.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.77 : 5,897.36 = 2,778.09 : x
  2. Step 2: Convert to fraction form
    4,272.77/5,897.36 = 2,778.09/x
  3. Step 3: Cross multiply
    4,272.77x = 5,897.36 × 2,778.09
  4. Step 4: Simplify right side
    4,272.77x = 16,383,382.95
  5. Step 5: Solve for x
    x = 16,383,382.95/4,272.77
  6. Step 6: Final answer
    x = 3,834.37

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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.