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Finding the Fourth Proportional to 8,061, 11,113.90 and 5,223.43

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Solution

The fourth proportional to 8,061, 11,113.90 and 5,223.43 is: 7,201.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,061 : 11,113.90 = 5,223.43 : x
  2. Step 2: Convert to fraction form
    8,061/11,113.90 = 5,223.43/x
  3. Step 3: Cross multiply
    8,061x = 11,113.90 × 5,223.43
  4. Step 4: Simplify right side
    8,061x = 58,052,678.68
  5. Step 5: Solve for x
    x = 58,052,678.68/8,061
  6. Step 6: Final answer
    x = 7,201.67

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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.