Home / 5,578.21-8,365.56-2,019.88

Finding the Fourth Proportional to 5,578.21, 8,365.56 and 2,019.88

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Solution

The fourth proportional to 5,578.21, 8,365.56 and 2,019.88 is: 3,029.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.21 : 8,365.56 = 2,019.88 : x
  2. Step 2: Convert to fraction form
    5,578.21/8,365.56 = 2,019.88/x
  3. Step 3: Cross multiply
    5,578.21x = 8,365.56 × 2,019.88
  4. Step 4: Simplify right side
    5,578.21x = 16,897,427.33
  5. Step 5: Solve for x
    x = 16,897,427.33/5,578.21
  6. Step 6: Final answer
    x = 3,029.18

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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.