Home / 8,142.31-11,241.43-6,250.27

Finding the Fourth Proportional to 8,142.31, 11,241.43 and 6,250.27

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Solution

The fourth proportional to 8,142.31, 11,241.43 and 6,250.27 is: 8,629.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142.31 : 11,241.43 = 6,250.27 : x
  2. Step 2: Convert to fraction form
    8,142.31/11,241.43 = 6,250.27/x
  3. Step 3: Cross multiply
    8,142.31x = 11,241.43 × 6,250.27
  4. Step 4: Simplify right side
    8,142.31x = 70,261,972.69
  5. Step 5: Solve for x
    x = 70,261,972.69/8,142.31
  6. Step 6: Final answer
    x = 8,629.24

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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.