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Finding the Fourth Proportional to 4,302.39, 6,443.94 and 3,739.89

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Solution

The fourth proportional to 4,302.39, 6,443.94 and 3,739.89 is: 5,601.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,302.39 : 6,443.94 = 3,739.89 : x
  2. Step 2: Convert to fraction form
    4,302.39/6,443.94 = 3,739.89/x
  3. Step 3: Cross multiply
    4,302.39x = 6,443.94 × 3,739.89
  4. Step 4: Simplify right side
    4,302.39x = 24,099,626.77
  5. Step 5: Solve for x
    x = 24,099,626.77/4,302.39
  6. Step 6: Final answer
    x = 5,601.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.