Home / 4,512.38-6,770.39-2,172.29

Finding the Fourth Proportional to 4,512.38, 6,770.39 and 2,172.29

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Solution

The fourth proportional to 4,512.38, 6,770.39 and 2,172.29 is: 3,259.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,512.38 : 6,770.39 = 2,172.29 : x
  2. Step 2: Convert to fraction form
    4,512.38/6,770.39 = 2,172.29/x
  3. Step 3: Cross multiply
    4,512.38x = 6,770.39 × 2,172.29
  4. Step 4: Simplify right side
    4,512.38x = 14,707,205.78
  5. Step 5: Solve for x
    x = 14,707,205.78/4,512.38
  6. Step 6: Final answer
    x = 3,259.30

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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.