Home / 8,174.38-12,258.80-2,626.36

Finding the Fourth Proportional to 8,174.38, 12,258.80 and 2,626.36

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Solution

The fourth proportional to 8,174.38, 12,258.80 and 2,626.36 is: 3,938.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.38 : 12,258.80 = 2,626.36 : x
  2. Step 2: Convert to fraction form
    8,174.38/12,258.80 = 2,626.36/x
  3. Step 3: Cross multiply
    8,174.38x = 12,258.80 × 2,626.36
  4. Step 4: Simplify right side
    8,174.38x = 32,196,021.97
  5. Step 5: Solve for x
    x = 32,196,021.97/8,174.38
  6. Step 6: Final answer
    x = 3,938.65

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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.