Home / 4,650.36-6,418.44-2,857.02

Finding the Fourth Proportional to 4,650.36, 6,418.44 and 2,857.02

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Solution

The fourth proportional to 4,650.36, 6,418.44 and 2,857.02 is: 3,943.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,650.36 : 6,418.44 = 2,857.02 : x
  2. Step 2: Convert to fraction form
    4,650.36/6,418.44 = 2,857.02/x
  3. Step 3: Cross multiply
    4,650.36x = 6,418.44 × 2,857.02
  4. Step 4: Simplify right side
    4,650.36x = 18,337,611.45
  5. Step 5: Solve for x
    x = 18,337,611.45/4,650.36
  6. Step 6: Final answer
    x = 3,943.27

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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.