Home / 8,258.36-12,383.28-3,326.67

Finding the Fourth Proportional to 8,258.36, 12,383.28 and 3,326.67

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Solution

The fourth proportional to 8,258.36, 12,383.28 and 3,326.67 is: 4,988.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.36 : 12,383.28 = 3,326.67 : x
  2. Step 2: Convert to fraction form
    8,258.36/12,383.28 = 3,326.67/x
  3. Step 3: Cross multiply
    8,258.36x = 12,383.28 × 3,326.67
  4. Step 4: Simplify right side
    8,258.36x = 41,195,086.08
  5. Step 5: Solve for x
    x = 41,195,086.08/8,258.36
  6. Step 6: Final answer
    x = 4,988.29

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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.