Home / 4,136.70-6,205.01-1,214.90

Finding the Fourth Proportional to 4,136.70, 6,205.01 and 1,214.90

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Solution

The fourth proportional to 4,136.70, 6,205.01 and 1,214.90 is: 1,822.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,136.70 : 6,205.01 = 1,214.90 : x
  2. Step 2: Convert to fraction form
    4,136.70/6,205.01 = 1,214.90/x
  3. Step 3: Cross multiply
    4,136.70x = 6,205.01 × 1,214.90
  4. Step 4: Simplify right side
    4,136.70x = 7,538,429.55
  5. Step 5: Solve for x
    x = 7,538,429.55/4,136.70
  6. Step 6: Final answer
    x = 1,822.33

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1.5x scale

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.