Home / 8,074.41-11,144.64-5,385.75

Finding the Fourth Proportional to 8,074.41, 11,144.64 and 5,385.75

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Solution

The fourth proportional to 8,074.41, 11,144.64 and 5,385.75 is: 7,433.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.41 : 11,144.64 = 5,385.75 : x
  2. Step 2: Convert to fraction form
    8,074.41/11,144.64 = 5,385.75/x
  3. Step 3: Cross multiply
    8,074.41x = 11,144.64 × 5,385.75
  4. Step 4: Simplify right side
    8,074.41x = 60,022,244.88
  5. Step 5: Solve for x
    x = 60,022,244.88/8,074.41
  6. Step 6: Final answer
    x = 7,433.64

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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.