Home / 7,055.06-9,736.67-3,912.02

Finding the Fourth Proportional to 7,055.06, 9,736.67 and 3,912.02

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Solution

The fourth proportional to 7,055.06, 9,736.67 and 3,912.02 is: 5,398.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.06 : 9,736.67 = 3,912.02 : x
  2. Step 2: Convert to fraction form
    7,055.06/9,736.67 = 3,912.02/x
  3. Step 3: Cross multiply
    7,055.06x = 9,736.67 × 3,912.02
  4. Step 4: Simplify right side
    7,055.06x = 38,089,979.53
  5. Step 5: Solve for x
    x = 38,089,979.53/7,055.06
  6. Step 6: Final answer
    x = 5,398.96

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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.