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Finding the Fourth Proportional to 6,768.59, 10,149.22 and 3,068.80

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Solution

The fourth proportional to 6,768.59, 10,149.22 and 3,068.80 is: 4,601.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.59 : 10,149.22 = 3,068.80 : x
  2. Step 2: Convert to fraction form
    6,768.59/10,149.22 = 3,068.80/x
  3. Step 3: Cross multiply
    6,768.59x = 10,149.22 × 3,068.80
  4. Step 4: Simplify right side
    6,768.59x = 31,145,893.29
  5. Step 5: Solve for x
    x = 31,145,893.29/6,768.59
  6. Step 6: Final answer
    x = 4,601.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.