Home / 5,436.64-8,136.42-3,771.33

Finding the Fourth Proportional to 5,436.64, 8,136.42 and 3,771.33

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Solution

The fourth proportional to 5,436.64, 8,136.42 and 3,771.33 is: 5,644.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.64 : 8,136.42 = 3,771.33 : x
  2. Step 2: Convert to fraction form
    5,436.64/8,136.42 = 3,771.33/x
  3. Step 3: Cross multiply
    5,436.64x = 8,136.42 × 3,771.33
  4. Step 4: Simplify right side
    5,436.64x = 30,685,124.84
  5. Step 5: Solve for x
    x = 30,685,124.84/5,436.64
  6. Step 6: Final answer
    x = 5,644.13

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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.