Home / 8,286.66-11,440.85-5,144.67

Finding the Fourth Proportional to 8,286.66, 11,440.85 and 5,144.67

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Solution

The fourth proportional to 8,286.66, 11,440.85 and 5,144.67 is: 7,102.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.66 : 11,440.85 = 5,144.67 : x
  2. Step 2: Convert to fraction form
    8,286.66/11,440.85 = 5,144.67/x
  3. Step 3: Cross multiply
    8,286.66x = 11,440.85 × 5,144.67
  4. Step 4: Simplify right side
    8,286.66x = 58,859,372.05
  5. Step 5: Solve for x
    x = 58,859,372.05/8,286.66
  6. Step 6: Final answer
    x = 7,102.91

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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.