Home / 8,682.79-11,982.66-4,906.11

Finding the Fourth Proportional to 8,682.79, 11,982.66 and 4,906.11

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Solution

The fourth proportional to 8,682.79, 11,982.66 and 4,906.11 is: 6,770.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.79 : 11,982.66 = 4,906.11 : x
  2. Step 2: Convert to fraction form
    8,682.79/11,982.66 = 4,906.11/x
  3. Step 3: Cross multiply
    8,682.79x = 11,982.66 × 4,906.11
  4. Step 4: Simplify right side
    8,682.79x = 58,788,248.05
  5. Step 5: Solve for x
    x = 58,788,248.05/8,682.79
  6. Step 6: Final answer
    x = 6,770.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.