Home / 6,244.53-8,615.39-4,121.12

Finding the Fourth Proportional to 6,244.53, 8,615.39 and 4,121.12

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Solution

The fourth proportional to 6,244.53, 8,615.39 and 4,121.12 is: 5,685.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,244.53 : 8,615.39 = 4,121.12 : x
  2. Step 2: Convert to fraction form
    6,244.53/8,615.39 = 4,121.12/x
  3. Step 3: Cross multiply
    6,244.53x = 8,615.39 × 4,121.12
  4. Step 4: Simplify right side
    6,244.53x = 35,504,992.35
  5. Step 5: Solve for x
    x = 35,504,992.35/6,244.53
  6. Step 6: Final answer
    x = 5,685.77

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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.