Home / 3,975.93-5,483.43-3,921.26

Finding the Fourth Proportional to 3,975.93, 5,483.43 and 3,921.26

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Solution

The fourth proportional to 3,975.93, 5,483.43 and 3,921.26 is: 5,408.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.93 : 5,483.43 = 3,921.26 : x
  2. Step 2: Convert to fraction form
    3,975.93/5,483.43 = 3,921.26/x
  3. Step 3: Cross multiply
    3,975.93x = 5,483.43 × 3,921.26
  4. Step 4: Simplify right side
    3,975.93x = 21,501,927.30
  5. Step 5: Solve for x
    x = 21,501,927.30/3,975.93
  6. Step 6: Final answer
    x = 5,408.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.