Home / 7,730.92-11,583.42-4,257.64

Finding the Fourth Proportional to 7,730.92, 11,583.42 and 4,257.64

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Solution

The fourth proportional to 7,730.92, 11,583.42 and 4,257.64 is: 6,379.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.92 : 11,583.42 = 4,257.64 : x
  2. Step 2: Convert to fraction form
    7,730.92/11,583.42 = 4,257.64/x
  3. Step 3: Cross multiply
    7,730.92x = 11,583.42 × 4,257.64
  4. Step 4: Simplify right side
    7,730.92x = 49,318,032.33
  5. Step 5: Solve for x
    x = 49,318,032.33/7,730.92
  6. Step 6: Final answer
    x = 6,379.32

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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.