Home / 4,945.37-6,824.79-2,821.24

Finding the Fourth Proportional to 4,945.37, 6,824.79 and 2,821.24

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Solution

The fourth proportional to 4,945.37, 6,824.79 and 2,821.24 is: 3,893.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.37 : 6,824.79 = 2,821.24 : x
  2. Step 2: Convert to fraction form
    4,945.37/6,824.79 = 2,821.24/x
  3. Step 3: Cross multiply
    4,945.37x = 6,824.79 × 2,821.24
  4. Step 4: Simplify right side
    4,945.37x = 19,254,388.67
  5. Step 5: Solve for x
    x = 19,254,388.67/4,945.37
  6. Step 6: Final answer
    x = 3,893.42

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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.