Home / 4,914.87-7,380.35-3,228.99

Finding the Fourth Proportional to 4,914.87, 7,380.35 and 3,228.99

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Solution

The fourth proportional to 4,914.87, 7,380.35 and 3,228.99 is: 4,848.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.87 : 7,380.35 = 3,228.99 : x
  2. Step 2: Convert to fraction form
    4,914.87/7,380.35 = 3,228.99/x
  3. Step 3: Cross multiply
    4,914.87x = 7,380.35 × 3,228.99
  4. Step 4: Simplify right side
    4,914.87x = 23,831,076.35
  5. Step 5: Solve for x
    x = 23,831,076.35/4,914.87
  6. Step 6: Final answer
    x = 4,848.77

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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.