Home / 6,935-9,570.26-3,791.20

Finding the Fourth Proportional to 6,935, 9,570.26 and 3,791.20

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Solution

The fourth proportional to 6,935, 9,570.26 and 3,791.20 is: 5,231.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,935 : 9,570.26 = 3,791.20 : x
  2. Step 2: Convert to fraction form
    6,935/9,570.26 = 3,791.20/x
  3. Step 3: Cross multiply
    6,935x = 9,570.26 × 3,791.20
  4. Step 4: Simplify right side
    6,935x = 36,282,769.71
  5. Step 5: Solve for x
    x = 36,282,769.71/6,935
  6. Step 6: Final answer
    x = 5,231.83

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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.