Home / 6,912.36-9,539.16-3,768.60

Finding the Fourth Proportional to 6,912.36, 9,539.16 and 3,768.60

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Solution

The fourth proportional to 6,912.36, 9,539.16 and 3,768.60 is: 5,200.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.36 : 9,539.16 = 3,768.60 : x
  2. Step 2: Convert to fraction form
    6,912.36/9,539.16 = 3,768.60/x
  3. Step 3: Cross multiply
    6,912.36x = 9,539.16 × 3,768.60
  4. Step 4: Simplify right side
    6,912.36x = 35,949,278.38
  5. Step 5: Solve for x
    x = 35,949,278.38/6,912.36
  6. Step 6: Final answer
    x = 5,200.72

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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.