Home / 8,930.79-13,396.32-3,664.44

Finding the Fourth Proportional to 8,930.79, 13,396.32 and 3,664.44

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Solution

The fourth proportional to 8,930.79, 13,396.32 and 3,664.44 is: 5,496.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.79 : 13,396.32 = 3,664.44 : x
  2. Step 2: Convert to fraction form
    8,930.79/13,396.32 = 3,664.44/x
  3. Step 3: Cross multiply
    8,930.79x = 13,396.32 × 3,664.44
  4. Step 4: Simplify right side
    8,930.79x = 49,090,010.86
  5. Step 5: Solve for x
    x = 49,090,010.86/8,930.79
  6. Step 6: Final answer
    x = 5,496.72

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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.