Home / 4,628.80-6,938.34-3,329.56

Finding the Fourth Proportional to 4,628.80, 6,938.34 and 3,329.56

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Solution

The fourth proportional to 4,628.80, 6,938.34 and 3,329.56 is: 4,990.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.80 : 6,938.34 = 3,329.56 : x
  2. Step 2: Convert to fraction form
    4,628.80/6,938.34 = 3,329.56/x
  3. Step 3: Cross multiply
    4,628.80x = 6,938.34 × 3,329.56
  4. Step 4: Simplify right side
    4,628.80x = 23,101,619.33
  5. Step 5: Solve for x
    x = 23,101,619.33/4,628.80
  6. Step 6: Final answer
    x = 4,990.84

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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.