Home / 8,940.60-13,408.92-3,674.28

Finding the Fourth Proportional to 8,940.60, 13,408.92 and 3,674.28

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Solution

The fourth proportional to 8,940.60, 13,408.92 and 3,674.28 is: 5,510.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.60 : 13,408.92 = 3,674.28 : x
  2. Step 2: Convert to fraction form
    8,940.60/13,408.92 = 3,674.28/x
  3. Step 3: Cross multiply
    8,940.60x = 13,408.92 × 3,674.28
  4. Step 4: Simplify right side
    8,940.60x = 49,268,126.58
  5. Step 5: Solve for x
    x = 49,268,126.58/8,940.60
  6. Step 6: Final answer
    x = 5,510.61

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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.