Home / 5,029.80-6,940.05-3,039.96

Finding the Fourth Proportional to 5,029.80, 6,940.05 and 3,039.96

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Solution

The fourth proportional to 5,029.80, 6,940.05 and 3,039.96 is: 4,194.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.80 : 6,940.05 = 3,039.96 : x
  2. Step 2: Convert to fraction form
    5,029.80/6,940.05 = 3,039.96/x
  3. Step 3: Cross multiply
    5,029.80x = 6,940.05 × 3,039.96
  4. Step 4: Simplify right side
    5,029.80x = 21,097,474.40
  5. Step 5: Solve for x
    x = 21,097,474.40/5,029.80
  6. Step 6: Final answer
    x = 4,194.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.