Home / 3,315.56-4,973.33-850.38

Finding the Fourth Proportional to 3,315.56, 4,973.33 and 850.38

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Solution

The fourth proportional to 3,315.56, 4,973.33 and 850.38 is: 1,275.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.56 : 4,973.33 = 850.38 : x
  2. Step 2: Convert to fraction form
    3,315.56/4,973.33 = 850.38/x
  3. Step 3: Cross multiply
    3,315.56x = 4,973.33 × 850.38
  4. Step 4: Simplify right side
    3,315.56x = 4,229,200.04
  5. Step 5: Solve for x
    x = 4,229,200.04/3,315.56
  6. Step 6: Final answer
    x = 1,275.56

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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.