Home / 4,771.07-7,157.91-2,305.89

Finding the Fourth Proportional to 4,771.07, 7,157.91 and 2,305.89

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Solution

The fourth proportional to 4,771.07, 7,157.91 and 2,305.89 is: 3,459.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.07 : 7,157.91 = 2,305.89 : x
  2. Step 2: Convert to fraction form
    4,771.07/7,157.91 = 2,305.89/x
  3. Step 3: Cross multiply
    4,771.07x = 7,157.91 × 2,305.89
  4. Step 4: Simplify right side
    4,771.07x = 16,505,353.09
  5. Step 5: Solve for x
    x = 16,505,353.09/4,771.07
  6. Step 6: Final answer
    x = 3,459.47

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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.