Home / 4,518.86-6,778.83-1,745.42

Finding the Fourth Proportional to 4,518.86, 6,778.83 and 1,745.42

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Solution

The fourth proportional to 4,518.86, 6,778.83 and 1,745.42 is: 2,618.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.86 : 6,778.83 = 1,745.42 : x
  2. Step 2: Convert to fraction form
    4,518.86/6,778.83 = 1,745.42/x
  3. Step 3: Cross multiply
    4,518.86x = 6,778.83 × 1,745.42
  4. Step 4: Simplify right side
    4,518.86x = 11,831,905.46
  5. Step 5: Solve for x
    x = 11,831,905.46/4,518.86
  6. Step 6: Final answer
    x = 2,618.34

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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.