Home / 5,629.10-7,725.27-5,181.98

Finding the Fourth Proportional to 5,629.10, 7,725.27 and 5,181.98

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Solution

The fourth proportional to 5,629.10, 7,725.27 and 5,181.98 is: 7,111.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.10 : 7,725.27 = 5,181.98 : x
  2. Step 2: Convert to fraction form
    5,629.10/7,725.27 = 5,181.98/x
  3. Step 3: Cross multiply
    5,629.10x = 7,725.27 × 5,181.98
  4. Step 4: Simplify right side
    5,629.10x = 40,032,175.44
  5. Step 5: Solve for x
    x = 40,032,175.44/5,629.10
  6. Step 6: Final answer
    x = 7,111.65

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.