Home / 8,241.40-11,372.79-4,884.36

Finding the Fourth Proportional to 8,241.40, 11,372.79 and 4,884.36

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Solution

The fourth proportional to 8,241.40, 11,372.79 and 4,884.36 is: 6,740.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.40 : 11,372.79 = 4,884.36 : x
  2. Step 2: Convert to fraction form
    8,241.40/11,372.79 = 4,884.36/x
  3. Step 3: Cross multiply
    8,241.40x = 11,372.79 × 4,884.36
  4. Step 4: Simplify right side
    8,241.40x = 55,548,800.56
  5. Step 5: Solve for x
    x = 55,548,800.56/8,241.40
  6. Step 6: Final answer
    x = 6,740.21

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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.