Home / 4,515.21-6,771.09-2,173.74

Finding the Fourth Proportional to 4,515.21, 6,771.09 and 2,173.74

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Solution

The fourth proportional to 4,515.21, 6,771.09 and 2,173.74 is: 3,259.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.21 : 6,771.09 = 2,173.74 : x
  2. Step 2: Convert to fraction form
    4,515.21/6,771.09 = 2,173.74/x
  3. Step 3: Cross multiply
    4,515.21x = 6,771.09 × 2,173.74
  4. Step 4: Simplify right side
    4,515.21x = 14,718,589.18
  5. Step 5: Solve for x
    x = 14,718,589.18/4,515.21
  6. Step 6: Final answer
    x = 3,259.78

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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.