Home / 8,922.23-13,389.50-3,078.86

Finding the Fourth Proportional to 8,922.23, 13,389.50 and 3,078.86

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Solution

The fourth proportional to 8,922.23, 13,389.50 and 3,078.86 is: 4,620.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.23 : 13,389.50 = 3,078.86 : x
  2. Step 2: Convert to fraction form
    8,922.23/13,389.50 = 3,078.86/x
  3. Step 3: Cross multiply
    8,922.23x = 13,389.50 × 3,078.86
  4. Step 4: Simplify right side
    8,922.23x = 41,224,336.72
  5. Step 5: Solve for x
    x = 41,224,336.72/8,922.23
  6. Step 6: Final answer
    x = 4,620.41

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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.