Home / 4,813.21-7,219.86-2,039.53

Finding the Fourth Proportional to 4,813.21, 7,219.86 and 2,039.53

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Solution

The fourth proportional to 4,813.21, 7,219.86 and 2,039.53 is: 3,059.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.21 : 7,219.86 = 2,039.53 : x
  2. Step 2: Convert to fraction form
    4,813.21/7,219.86 = 2,039.53/x
  3. Step 3: Cross multiply
    4,813.21x = 7,219.86 × 2,039.53
  4. Step 4: Simplify right side
    4,813.21x = 14,725,121.07
  5. Step 5: Solve for x
    x = 14,725,121.07/4,813.21
  6. Step 6: Final answer
    x = 3,059.31

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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.