Home / 7,629.31-11,448.29-4,119.27

Finding the Fourth Proportional to 7,629.31, 11,448.29 and 4,119.27

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Solution

The fourth proportional to 7,629.31, 11,448.29 and 4,119.27 is: 6,181.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.31 : 11,448.29 = 4,119.27 : x
  2. Step 2: Convert to fraction form
    7,629.31/11,448.29 = 4,119.27/x
  3. Step 3: Cross multiply
    7,629.31x = 11,448.29 × 4,119.27
  4. Step 4: Simplify right side
    7,629.31x = 47,158,597.55
  5. Step 5: Solve for x
    x = 47,158,597.55/7,629.31
  6. Step 6: Final answer
    x = 6,181.24

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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.