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Finding the Fourth Proportional to 4,857.57, 6,703.41 and 2,733.21

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Solution

The fourth proportional to 4,857.57, 6,703.41 and 2,733.21 is: 3,771.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.57 : 6,703.41 = 2,733.21 : x
  2. Step 2: Convert to fraction form
    4,857.57/6,703.41 = 2,733.21/x
  3. Step 3: Cross multiply
    4,857.57x = 6,703.41 × 2,733.21
  4. Step 4: Simplify right side
    4,857.57x = 18,321,827.25
  5. Step 5: Solve for x
    x = 18,321,827.25/4,857.57
  6. Step 6: Final answer
    x = 3,771.81

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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.