Home / 5,136.52-7,083.30-3,880.84

Finding the Fourth Proportional to 5,136.52, 7,083.30 and 3,880.84

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Solution

The fourth proportional to 5,136.52, 7,083.30 and 3,880.84 is: 5,351.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.52 : 7,083.30 = 3,880.84 : x
  2. Step 2: Convert to fraction form
    5,136.52/7,083.30 = 3,880.84/x
  3. Step 3: Cross multiply
    5,136.52x = 7,083.30 × 3,880.84
  4. Step 4: Simplify right side
    5,136.52x = 27,489,153.97
  5. Step 5: Solve for x
    x = 27,489,153.97/5,136.52
  6. Step 6: Final answer
    x = 5,351.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.