Home / 8,177.44-12,258.60-2,979.68

Finding the Fourth Proportional to 8,177.44, 12,258.60 and 2,979.68

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Solution

The fourth proportional to 8,177.44, 12,258.60 and 2,979.68 is: 4,466.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.44 : 12,258.60 = 2,979.68 : x
  2. Step 2: Convert to fraction form
    8,177.44/12,258.60 = 2,979.68/x
  3. Step 3: Cross multiply
    8,177.44x = 12,258.60 × 2,979.68
  4. Step 4: Simplify right side
    8,177.44x = 36,526,705.25
  5. Step 5: Solve for x
    x = 36,526,705.25/8,177.44
  6. Step 6: Final answer
    x = 4,466.77

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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.