Home / 4,152.20-6,228.30-2,078.60

Finding the Fourth Proportional to 4,152.20, 6,228.30 and 2,078.60

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Solution

The fourth proportional to 4,152.20, 6,228.30 and 2,078.60 is: 3,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.20 : 6,228.30 = 2,078.60 : x
  2. Step 2: Convert to fraction form
    4,152.20/6,228.30 = 2,078.60/x
  3. Step 3: Cross multiply
    4,152.20x = 6,228.30 × 2,078.60
  4. Step 4: Simplify right side
    4,152.20x = 12,946,144.38
  5. Step 5: Solve for x
    x = 12,946,144.38/4,152.20
  6. Step 6: Final answer
    x = 3,117.90

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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.