Home / 4,163.41-6,243.01-1,389.09

Finding the Fourth Proportional to 4,163.41, 6,243.01 and 1,389.09

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Solution

The fourth proportional to 4,163.41, 6,243.01 and 1,389.09 is: 2,082.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,163.41 : 6,243.01 = 1,389.09 : x
  2. Step 2: Convert to fraction form
    4,163.41/6,243.01 = 1,389.09/x
  3. Step 3: Cross multiply
    4,163.41x = 6,243.01 × 1,389.09
  4. Step 4: Simplify right side
    4,163.41x = 8,672,099.29
  5. Step 5: Solve for x
    x = 8,672,099.29/4,163.41
  6. Step 6: Final answer
    x = 2,082.93

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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.