Home / 8,327.05-11,489.45-4,969.22

Finding the Fourth Proportional to 8,327.05, 11,489.45 and 4,969.22

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Solution

The fourth proportional to 8,327.05, 11,489.45 and 4,969.22 is: 6,856.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,327.05 : 11,489.45 = 4,969.22 : x
  2. Step 2: Convert to fraction form
    8,327.05/11,489.45 = 4,969.22/x
  3. Step 3: Cross multiply
    8,327.05x = 11,489.45 × 4,969.22
  4. Step 4: Simplify right side
    8,327.05x = 57,093,522.44
  5. Step 5: Solve for x
    x = 57,093,522.44/8,327.05
  6. Step 6: Final answer
    x = 6,856.39

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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.