Home / 5,171.56-7,759.91-2,051.50

Finding the Fourth Proportional to 5,171.56, 7,759.91 and 2,051.50

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Solution

The fourth proportional to 5,171.56, 7,759.91 and 2,051.50 is: 3,078.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.56 : 7,759.91 = 2,051.50 : x
  2. Step 2: Convert to fraction form
    5,171.56/7,759.91 = 2,051.50/x
  3. Step 3: Cross multiply
    5,171.56x = 7,759.91 × 2,051.50
  4. Step 4: Simplify right side
    5,171.56x = 15,919,455.37
  5. Step 5: Solve for x
    x = 15,919,455.37/5,171.56
  6. Step 6: Final answer
    x = 3,078.27

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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.