Home / 5,515.23-7,611.05-2,997.36

Finding the Fourth Proportional to 5,515.23, 7,611.05 and 2,997.36

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Solution

The fourth proportional to 5,515.23, 7,611.05 and 2,997.36 is: 4,136.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.23 : 7,611.05 = 2,997.36 : x
  2. Step 2: Convert to fraction form
    5,515.23/7,611.05 = 2,997.36/x
  3. Step 3: Cross multiply
    5,515.23x = 7,611.05 × 2,997.36
  4. Step 4: Simplify right side
    5,515.23x = 22,813,056.83
  5. Step 5: Solve for x
    x = 22,813,056.83/5,515.23
  6. Step 6: Final answer
    x = 4,136.37

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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.