Home / 6,971.74-9,620.68-3,827.98

Finding the Fourth Proportional to 6,971.74, 9,620.68 and 3,827.98

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Solution

The fourth proportional to 6,971.74, 9,620.68 and 3,827.98 is: 5,282.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971.74 : 9,620.68 = 3,827.98 : x
  2. Step 2: Convert to fraction form
    6,971.74/9,620.68 = 3,827.98/x
  3. Step 3: Cross multiply
    6,971.74x = 9,620.68 × 3,827.98
  4. Step 4: Simplify right side
    6,971.74x = 36,827,770.63
  5. Step 5: Solve for x
    x = 36,827,770.63/6,971.74
  6. Step 6: Final answer
    x = 5,282.44

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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.