Home / 5,515.53-7,611.50-2,997.67

Finding the Fourth Proportional to 5,515.53, 7,611.50 and 2,997.67

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Solution

The fourth proportional to 5,515.53, 7,611.50 and 2,997.67 is: 4,136.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.53 : 7,611.50 = 2,997.67 : x
  2. Step 2: Convert to fraction form
    5,515.53/7,611.50 = 2,997.67/x
  3. Step 3: Cross multiply
    5,515.53x = 7,611.50 × 2,997.67
  4. Step 4: Simplify right side
    5,515.53x = 22,816,765.21
  5. Step 5: Solve for x
    x = 22,816,765.21/5,515.53
  6. Step 6: Final answer
    x = 4,136.82

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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.