Home / 5,136.21-7,710.93-2,672.73

Finding the Fourth Proportional to 5,136.21, 7,710.93 and 2,672.73

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Solution

The fourth proportional to 5,136.21, 7,710.93 and 2,672.73 is: 4,012.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.21 : 7,710.93 = 2,672.73 : x
  2. Step 2: Convert to fraction form
    5,136.21/7,710.93 = 2,672.73/x
  3. Step 3: Cross multiply
    5,136.21x = 7,710.93 × 2,672.73
  4. Step 4: Simplify right side
    5,136.21x = 20,609,233.94
  5. Step 5: Solve for x
    x = 20,609,233.94/5,136.21
  6. Step 6: Final answer
    x = 4,012.54

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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.