Home / 5,168.50-7,132.60-3,872.67

Finding the Fourth Proportional to 5,168.50, 7,132.60 and 3,872.67

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Solution

The fourth proportional to 5,168.50, 7,132.60 and 3,872.67 is: 5,344.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.50 : 7,132.60 = 3,872.67 : x
  2. Step 2: Convert to fraction form
    5,168.50/7,132.60 = 3,872.67/x
  3. Step 3: Cross multiply
    5,168.50x = 7,132.60 × 3,872.67
  4. Step 4: Simplify right side
    5,168.50x = 27,622,255.21
  5. Step 5: Solve for x
    x = 27,622,255.21/5,168.50
  6. Step 6: Final answer
    x = 5,344.35

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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.