Home / 6,211.96-9,315.60-3,868.54

Finding the Fourth Proportional to 6,211.96, 9,315.60 and 3,868.54

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Solution

The fourth proportional to 6,211.96, 9,315.60 and 3,868.54 is: 5,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.96 : 9,315.60 = 3,868.54 : x
  2. Step 2: Convert to fraction form
    6,211.96/9,315.60 = 3,868.54/x
  3. Step 3: Cross multiply
    6,211.96x = 9,315.60 × 3,868.54
  4. Step 4: Simplify right side
    6,211.96x = 36,037,771.22
  5. Step 5: Solve for x
    x = 36,037,771.22/6,211.96
  6. Step 6: Final answer
    x = 5,801.35

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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.