Home / 5,481.18-8,225.40-2,018.43

Finding the Fourth Proportional to 5,481.18, 8,225.40 and 2,018.43

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Solution

The fourth proportional to 5,481.18, 8,225.40 and 2,018.43 is: 3,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.18 : 8,225.40 = 2,018.43 : x
  2. Step 2: Convert to fraction form
    5,481.18/8,225.40 = 2,018.43/x
  3. Step 3: Cross multiply
    5,481.18x = 8,225.40 × 2,018.43
  4. Step 4: Simplify right side
    5,481.18x = 16,602,394.12
  5. Step 5: Solve for x
    x = 16,602,394.12/5,481.18
  6. Step 6: Final answer
    x = 3,028.98

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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.