Home / 6,969-9,617.24-3,825.18

Finding the Fourth Proportional to 6,969, 9,617.24 and 3,825.18

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Solution

The fourth proportional to 6,969, 9,617.24 and 3,825.18 is: 5,278.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,969 : 9,617.24 = 3,825.18 : x
  2. Step 2: Convert to fraction form
    6,969/9,617.24 = 3,825.18/x
  3. Step 3: Cross multiply
    6,969x = 9,617.24 × 3,825.18
  4. Step 4: Simplify right side
    6,969x = 36,787,654.98
  5. Step 5: Solve for x
    x = 36,787,654.98/6,969
  6. Step 6: Final answer
    x = 5,278.76

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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.