Home / 8,180.40-12,270.60-4,023.09

Finding the Fourth Proportional to 8,180.40, 12,270.60 and 4,023.09

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Solution

The fourth proportional to 8,180.40, 12,270.60 and 4,023.09 is: 6,034.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.40 : 12,270.60 = 4,023.09 : x
  2. Step 2: Convert to fraction form
    8,180.40/12,270.60 = 4,023.09/x
  3. Step 3: Cross multiply
    8,180.40x = 12,270.60 × 4,023.09
  4. Step 4: Simplify right side
    8,180.40x = 49,365,728.15
  5. Step 5: Solve for x
    x = 49,365,728.15/8,180.40
  6. Step 6: Final answer
    x = 6,034.64

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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.