Home / 6,964.99-9,611.60-3,821.18

Finding the Fourth Proportional to 6,964.99, 9,611.60 and 3,821.18

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Solution

The fourth proportional to 6,964.99, 9,611.60 and 3,821.18 is: 5,273.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,964.99 : 9,611.60 = 3,821.18 : x
  2. Step 2: Convert to fraction form
    6,964.99/9,611.60 = 3,821.18/x
  3. Step 3: Cross multiply
    6,964.99x = 9,611.60 × 3,821.18
  4. Step 4: Simplify right side
    6,964.99x = 36,727,615.18
  5. Step 5: Solve for x
    x = 36,727,615.18/6,964.99
  6. Step 6: Final answer
    x = 5,273.18

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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.