Home / 7,158.03-10,736.19-1,964.31

Finding the Fourth Proportional to 7,158.03, 10,736.19 and 1,964.31

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Solution

The fourth proportional to 7,158.03, 10,736.19 and 1,964.31 is: 2,946.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.03 : 10,736.19 = 1,964.31 : x
  2. Step 2: Convert to fraction form
    7,158.03/10,736.19 = 1,964.31/x
  3. Step 3: Cross multiply
    7,158.03x = 10,736.19 × 1,964.31
  4. Step 4: Simplify right side
    7,158.03x = 21,089,205.38
  5. Step 5: Solve for x
    x = 21,089,205.38/7,158.03
  6. Step 6: Final answer
    x = 2,946.23

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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.