Home / 4,640.81-6,954.41-2,660.36

Finding the Fourth Proportional to 4,640.81, 6,954.41 and 2,660.36

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Solution

The fourth proportional to 4,640.81, 6,954.41 and 2,660.36 is: 3,986.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.81 : 6,954.41 = 2,660.36 : x
  2. Step 2: Convert to fraction form
    4,640.81/6,954.41 = 2,660.36/x
  3. Step 3: Cross multiply
    4,640.81x = 6,954.41 × 2,660.36
  4. Step 4: Simplify right side
    4,640.81x = 18,501,234.19
  5. Step 5: Solve for x
    x = 18,501,234.19/4,640.81
  6. Step 6: Final answer
    x = 3,986.64

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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.