Home / 4,512.30-6,765.18-2,172.78

Finding the Fourth Proportional to 4,512.30, 6,765.18 and 2,172.78

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Solution

The fourth proportional to 4,512.30, 6,765.18 and 2,172.78 is: 3,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,512.30 : 6,765.18 = 2,172.78 : x
  2. Step 2: Convert to fraction form
    4,512.30/6,765.18 = 2,172.78/x
  3. Step 3: Cross multiply
    4,512.30x = 6,765.18 × 2,172.78
  4. Step 4: Simplify right side
    4,512.30x = 14,699,247.80
  5. Step 5: Solve for x
    x = 14,699,247.80/4,512.30
  6. Step 6: Final answer
    x = 3,257.60

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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.