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Finding the Fourth Proportional to 5,771.44, 8,608.55 and 4,836.16

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Solution

The fourth proportional to 5,771.44, 8,608.55 and 4,836.16 is: 7,213.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.44 : 8,608.55 = 4,836.16 : x
  2. Step 2: Convert to fraction form
    5,771.44/8,608.55 = 4,836.16/x
  3. Step 3: Cross multiply
    5,771.44x = 8,608.55 × 4,836.16
  4. Step 4: Simplify right side
    5,771.44x = 41,632,325.17
  5. Step 5: Solve for x
    x = 41,632,325.17/5,771.44
  6. Step 6: Final answer
    x = 7,213.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.