Home / 5,428.30-8,146.33-2,310.49

Finding the Fourth Proportional to 5,428.30, 8,146.33 and 2,310.49

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Solution

The fourth proportional to 5,428.30, 8,146.33 and 2,310.49 is: 3,467.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.30 : 8,146.33 = 2,310.49 : x
  2. Step 2: Convert to fraction form
    5,428.30/8,146.33 = 2,310.49/x
  3. Step 3: Cross multiply
    5,428.30x = 8,146.33 × 2,310.49
  4. Step 4: Simplify right side
    5,428.30x = 18,822,014.00
  5. Step 5: Solve for x
    x = 18,822,014.00/5,428.30
  6. Step 6: Final answer
    x = 3,467.39

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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.