Home / 6,619.20-9,936.09-5,241.39

Finding the Fourth Proportional to 6,619.20, 9,936.09 and 5,241.39

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Solution

The fourth proportional to 6,619.20, 9,936.09 and 5,241.39 is: 7,867.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.20 : 9,936.09 = 5,241.39 : x
  2. Step 2: Convert to fraction form
    6,619.20/9,936.09 = 5,241.39/x
  3. Step 3: Cross multiply
    6,619.20x = 9,936.09 × 5,241.39
  4. Step 4: Simplify right side
    6,619.20x = 52,078,922.77
  5. Step 5: Solve for x
    x = 52,078,922.77/6,619.20
  6. Step 6: Final answer
    x = 7,867.86

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1.5x scale

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.