Home / 6,964.98-9,611.69-3,821.19

Finding the Fourth Proportional to 6,964.98, 9,611.69 and 3,821.19

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Solution

The fourth proportional to 6,964.98, 9,611.69 and 3,821.19 is: 5,273.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,964.98 : 9,611.69 = 3,821.19 : x
  2. Step 2: Convert to fraction form
    6,964.98/9,611.69 = 3,821.19/x
  3. Step 3: Cross multiply
    6,964.98x = 9,611.69 × 3,821.19
  4. Step 4: Simplify right side
    6,964.98x = 36,728,074.61
  5. Step 5: Solve for x
    x = 36,728,074.61/6,964.98
  6. Step 6: Final answer
    x = 5,273.25

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1.5x scale

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.