Home / 4,272.45-5,893.89-2,856.48

Finding the Fourth Proportional to 4,272.45, 5,893.89 and 2,856.48

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Solution

The fourth proportional to 4,272.45, 5,893.89 and 2,856.48 is: 3,940.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.45 : 5,893.89 = 2,856.48 : x
  2. Step 2: Convert to fraction form
    4,272.45/5,893.89 = 2,856.48/x
  3. Step 3: Cross multiply
    4,272.45x = 5,893.89 × 2,856.48
  4. Step 4: Simplify right side
    4,272.45x = 16,835,778.91
  5. Step 5: Solve for x
    x = 16,835,778.91/4,272.45
  6. Step 6: Final answer
    x = 3,940.54

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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.