Home / 7,136.20-10,704.30-2,518.60

Finding the Fourth Proportional to 7,136.20, 10,704.30 and 2,518.60

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Solution

The fourth proportional to 7,136.20, 10,704.30 and 2,518.60 is: 3,777.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.20 : 10,704.30 = 2,518.60 : x
  2. Step 2: Convert to fraction form
    7,136.20/10,704.30 = 2,518.60/x
  3. Step 3: Cross multiply
    7,136.20x = 10,704.30 × 2,518.60
  4. Step 4: Simplify right side
    7,136.20x = 26,959,849.98
  5. Step 5: Solve for x
    x = 26,959,849.98/7,136.20
  6. Step 6: Final answer
    x = 3,777.90

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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.