Home / 5,129.22-7,693.99-1,619.26

Finding the Fourth Proportional to 5,129.22, 7,693.99 and 1,619.26

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Solution

The fourth proportional to 5,129.22, 7,693.99 and 1,619.26 is: 2,428.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129.22 : 7,693.99 = 1,619.26 : x
  2. Step 2: Convert to fraction form
    5,129.22/7,693.99 = 1,619.26/x
  3. Step 3: Cross multiply
    5,129.22x = 7,693.99 × 1,619.26
  4. Step 4: Simplify right side
    5,129.22x = 12,458,570.25
  5. Step 5: Solve for x
    x = 12,458,570.25/5,129.22
  6. Step 6: Final answer
    x = 2,428.94

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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.