Home / 8,223.20-12,336.60-2,675.60

Finding the Fourth Proportional to 8,223.20, 12,336.60 and 2,675.60

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Solution

The fourth proportional to 8,223.20, 12,336.60 and 2,675.60 is: 4,013.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.20 : 12,336.60 = 2,675.60 : x
  2. Step 2: Convert to fraction form
    8,223.20/12,336.60 = 2,675.60/x
  3. Step 3: Cross multiply
    8,223.20x = 12,336.60 × 2,675.60
  4. Step 4: Simplify right side
    8,223.20x = 33,007,806.96
  5. Step 5: Solve for x
    x = 33,007,806.96/8,223.20
  6. Step 6: Final answer
    x = 4,013.99

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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.