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Finding the Fourth Proportional to 3,845.27, 5,739.14 and 3,537.47

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Solution

The fourth proportional to 3,845.27, 5,739.14 and 3,537.47 is: 5,279.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.27 : 5,739.14 = 3,537.47 : x
  2. Step 2: Convert to fraction form
    3,845.27/5,739.14 = 3,537.47/x
  3. Step 3: Cross multiply
    3,845.27x = 5,739.14 × 3,537.47
  4. Step 4: Simplify right side
    3,845.27x = 20,302,035.58
  5. Step 5: Solve for x
    x = 20,302,035.58/3,845.27
  6. Step 6: Final answer
    x = 5,279.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.