Home / 5,428.27-8,146.29-2,310.46

Finding the Fourth Proportional to 5,428.27, 8,146.29 and 2,310.46

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Solution

The fourth proportional to 5,428.27, 8,146.29 and 2,310.46 is: 3,467.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.27 : 8,146.29 = 2,310.46 : x
  2. Step 2: Convert to fraction form
    5,428.27/8,146.29 = 2,310.46/x
  3. Step 3: Cross multiply
    5,428.27x = 8,146.29 × 2,310.46
  4. Step 4: Simplify right side
    5,428.27x = 18,821,665.64
  5. Step 5: Solve for x
    x = 18,821,665.64/5,428.27
  6. Step 6: Final answer
    x = 3,467.34

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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.