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Finding the Fourth Proportional to 5,736.89, 8,607.76 and 3,136.79

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Solution

The fourth proportional to 5,736.89, 8,607.76 and 3,136.79 is: 4,706.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,736.89 : 8,607.76 = 3,136.79 : x
  2. Step 2: Convert to fraction form
    5,736.89/8,607.76 = 3,136.79/x
  3. Step 3: Cross multiply
    5,736.89x = 8,607.76 × 3,136.79
  4. Step 4: Simplify right side
    5,736.89x = 27,000,735.49
  5. Step 5: Solve for x
    x = 27,000,735.49/5,736.89
  6. Step 6: Final answer
    x = 4,706.51

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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.