Home / 6,429.56-9,636.38-3,794.39

Finding the Fourth Proportional to 6,429.56, 9,636.38 and 3,794.39

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Solution

The fourth proportional to 6,429.56, 9,636.38 and 3,794.39 is: 5,686.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.56 : 9,636.38 = 3,794.39 : x
  2. Step 2: Convert to fraction form
    6,429.56/9,636.38 = 3,794.39/x
  3. Step 3: Cross multiply
    6,429.56x = 9,636.38 × 3,794.39
  4. Step 4: Simplify right side
    6,429.56x = 36,564,217.49
  5. Step 5: Solve for x
    x = 36,564,217.49/6,429.56
  6. Step 6: Final answer
    x = 5,686.90

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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.