Home / 4,163.66-6,243.38-1,389.34

Finding the Fourth Proportional to 4,163.66, 6,243.38 and 1,389.34

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Solution

The fourth proportional to 4,163.66, 6,243.38 and 1,389.34 is: 2,083.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,163.66 : 6,243.38 = 1,389.34 : x
  2. Step 2: Convert to fraction form
    4,163.66/6,243.38 = 1,389.34/x
  3. Step 3: Cross multiply
    4,163.66x = 6,243.38 × 1,389.34
  4. Step 4: Simplify right side
    4,163.66x = 8,674,177.57
  5. Step 5: Solve for x
    x = 8,674,177.57/4,163.66
  6. Step 6: Final answer
    x = 2,083.31

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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.