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Finding the Fourth Proportional to 5,481, 8,225.15 and 2,018.25

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Solution

The fourth proportional to 5,481, 8,225.15 and 2,018.25 is: 3,028.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481 : 8,225.15 = 2,018.25 : x
  2. Step 2: Convert to fraction form
    5,481/8,225.15 = 2,018.25/x
  3. Step 3: Cross multiply
    5,481x = 8,225.15 × 2,018.25
  4. Step 4: Simplify right side
    5,481x = 16,600,398.90
  5. Step 5: Solve for x
    x = 16,600,398.90/5,481
  6. Step 6: Final answer
    x = 3,028.72

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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.