Home / 6,971.24-9,620.36-3,827.48

Finding the Fourth Proportional to 6,971.24, 9,620.36 and 3,827.48

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Solution

The fourth proportional to 6,971.24, 9,620.36 and 3,827.48 is: 5,281.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971.24 : 9,620.36 = 3,827.48 : x
  2. Step 2: Convert to fraction form
    6,971.24/9,620.36 = 3,827.48/x
  3. Step 3: Cross multiply
    6,971.24x = 9,620.36 × 3,827.48
  4. Step 4: Simplify right side
    6,971.24x = 36,821,735.49
  5. Step 5: Solve for x
    x = 36,821,735.49/6,971.24
  6. Step 6: Final answer
    x = 5,281.95

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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.