Home / 5,578.86-8,365.56-2,764.43

Finding the Fourth Proportional to 5,578.86, 8,365.56 and 2,764.43

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Solution

The fourth proportional to 5,578.86, 8,365.56 and 2,764.43 is: 4,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.86 : 8,365.56 = 2,764.43 : x
  2. Step 2: Convert to fraction form
    5,578.86/8,365.56 = 2,764.43/x
  3. Step 3: Cross multiply
    5,578.86x = 8,365.56 × 2,764.43
  4. Step 4: Simplify right side
    5,578.86x = 23,126,015.58
  5. Step 5: Solve for x
    x = 23,126,015.58/5,578.86
  6. Step 6: Final answer
    x = 4,145.30

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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.