Home / 4,912.77-6,779.56-3,236.61

Finding the Fourth Proportional to 4,912.77, 6,779.56 and 3,236.61

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Solution

The fourth proportional to 4,912.77, 6,779.56 and 3,236.61 is: 4,466.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.77 : 6,779.56 = 3,236.61 : x
  2. Step 2: Convert to fraction form
    4,912.77/6,779.56 = 3,236.61/x
  3. Step 3: Cross multiply
    4,912.77x = 6,779.56 × 3,236.61
  4. Step 4: Simplify right side
    4,912.77x = 21,942,791.69
  5. Step 5: Solve for x
    x = 21,942,791.69/4,912.77
  6. Step 6: Final answer
    x = 4,466.48

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1.5x scale

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.