Home / 8,626.73-12,940.08-2,783.33

Finding the Fourth Proportional to 8,626.73, 12,940.08 and 2,783.33

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Solution

The fourth proportional to 8,626.73, 12,940.08 and 2,783.33 is: 4,174.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,626.73 : 12,940.08 = 2,783.33 : x
  2. Step 2: Convert to fraction form
    8,626.73/12,940.08 = 2,783.33/x
  3. Step 3: Cross multiply
    8,626.73x = 12,940.08 × 2,783.33
  4. Step 4: Simplify right side
    8,626.73x = 36,016,512.87
  5. Step 5: Solve for x
    x = 36,016,512.87/8,626.73
  6. Step 6: Final answer
    x = 4,174.99

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1.5x scale

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.