Home / 4,136.56-6,205.70-1,214.60

Finding the Fourth Proportional to 4,136.56, 6,205.70 and 1,214.60

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Solution

The fourth proportional to 4,136.56, 6,205.70 and 1,214.60 is: 1,822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,136.56 : 6,205.70 = 1,214.60 : x
  2. Step 2: Convert to fraction form
    4,136.56/6,205.70 = 1,214.60/x
  3. Step 3: Cross multiply
    4,136.56x = 6,205.70 × 1,214.60
  4. Step 4: Simplify right side
    4,136.56x = 7,537,443.22
  5. Step 5: Solve for x
    x = 7,537,443.22/4,136.56
  6. Step 6: Final answer
    x = 1,822.15

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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.