Home / 4,214.50-6,321.75-1,136.50

Finding the Fourth Proportional to 4,214.50, 6,321.75 and 1,136.50

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Solution

The fourth proportional to 4,214.50, 6,321.75 and 1,136.50 is: 1,704.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214.50 : 6,321.75 = 1,136.50 : x
  2. Step 2: Convert to fraction form
    4,214.50/6,321.75 = 1,136.50/x
  3. Step 3: Cross multiply
    4,214.50x = 6,321.75 × 1,136.50
  4. Step 4: Simplify right side
    4,214.50x = 7,184,668.88
  5. Step 5: Solve for x
    x = 7,184,668.88/4,214.50
  6. Step 6: Final answer
    x = 1,704.75

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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.