Home / 4,991.25-7,486.29-3,136.89

Finding the Fourth Proportional to 4,991.25, 7,486.29 and 3,136.89

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Solution

The fourth proportional to 4,991.25, 7,486.29 and 3,136.89 is: 4,704.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.25 : 7,486.29 = 3,136.89 : x
  2. Step 2: Convert to fraction form
    4,991.25/7,486.29 = 3,136.89/x
  3. Step 3: Cross multiply
    4,991.25x = 7,486.29 × 3,136.89
  4. Step 4: Simplify right side
    4,991.25x = 23,483,668.24
  5. Step 5: Solve for x
    x = 23,483,668.24/4,991.25
  6. Step 6: Final answer
    x = 4,704.97

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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.