Home / 8,856.92-13,278.12-4,174.64

Finding the Fourth Proportional to 8,856.92, 13,278.12 and 4,174.64

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Solution

The fourth proportional to 8,856.92, 13,278.12 and 4,174.64 is: 6,258.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.92 : 13,278.12 = 4,174.64 : x
  2. Step 2: Convert to fraction form
    8,856.92/13,278.12 = 4,174.64/x
  3. Step 3: Cross multiply
    8,856.92x = 13,278.12 × 4,174.64
  4. Step 4: Simplify right side
    8,856.92x = 55,431,370.88
  5. Step 5: Solve for x
    x = 55,431,370.88/8,856.92
  6. Step 6: Final answer
    x = 6,258.54

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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.