Home / 4,163.00-6,243.89-1,389.66

Finding the Fourth Proportional to 4,163.00, 6,243.89 and 1,389.66

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Solution

The fourth proportional to 4,163.00, 6,243.89 and 1,389.66 is: 2,084.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,163.00 : 6,243.89 = 1,389.66 : x
  2. Step 2: Convert to fraction form
    4,163.00/6,243.89 = 1,389.66/x
  3. Step 3: Cross multiply
    4,163.00x = 6,243.89 × 1,389.66
  4. Step 4: Simplify right side
    4,163.00x = 8,676,853.81
  5. Step 5: Solve for x
    x = 8,676,853.81/4,163.00
  6. Step 6: Final answer
    x = 2,084.28

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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.