Home / 4,627.98-6,942.78-2,161.53

Finding the Fourth Proportional to 4,627.98, 6,942.78 and 2,161.53

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Solution

The fourth proportional to 4,627.98, 6,942.78 and 2,161.53 is: 3,242.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,627.98 : 6,942.78 = 2,161.53 : x
  2. Step 2: Convert to fraction form
    4,627.98/6,942.78 = 2,161.53/x
  3. Step 3: Cross multiply
    4,627.98x = 6,942.78 × 2,161.53
  4. Step 4: Simplify right side
    4,627.98x = 15,007,027.25
  5. Step 5: Solve for x
    x = 15,007,027.25/4,627.98
  6. Step 6: Final answer
    x = 3,242.67

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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.