Home / 7,630.56-11,450.17-4,120.52

Finding the Fourth Proportional to 7,630.56, 11,450.17 and 4,120.52

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Solution

The fourth proportional to 7,630.56, 11,450.17 and 4,120.52 is: 6,183.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.56 : 11,450.17 = 4,120.52 : x
  2. Step 2: Convert to fraction form
    7,630.56/11,450.17 = 4,120.52/x
  3. Step 3: Cross multiply
    7,630.56x = 11,450.17 × 4,120.52
  4. Step 4: Simplify right side
    7,630.56x = 47,180,672.81
  5. Step 5: Solve for x
    x = 47,180,672.81/7,630.56
  6. Step 6: Final answer
    x = 6,183.12

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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.