Home / 4,627.80-6,936.84-3,328.56

Finding the Fourth Proportional to 4,627.80, 6,936.84 and 3,328.56

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Solution

The fourth proportional to 4,627.80, 6,936.84 and 3,328.56 is: 4,989.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,627.80 : 6,936.84 = 3,328.56 : x
  2. Step 2: Convert to fraction form
    4,627.80/6,936.84 = 3,328.56/x
  3. Step 3: Cross multiply
    4,627.80x = 6,936.84 × 3,328.56
  4. Step 4: Simplify right side
    4,627.80x = 23,089,688.15
  5. Step 5: Solve for x
    x = 23,089,688.15/4,627.80
  6. Step 6: Final answer
    x = 4,989.34

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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.