Home / 8,343.44-12,515.04-2,499.80

Finding the Fourth Proportional to 8,343.44, 12,515.04 and 2,499.80

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Solution

The fourth proportional to 8,343.44, 12,515.04 and 2,499.80 is: 3,749.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343.44 : 12,515.04 = 2,499.80 : x
  2. Step 2: Convert to fraction form
    8,343.44/12,515.04 = 2,499.80/x
  3. Step 3: Cross multiply
    8,343.44x = 12,515.04 × 2,499.80
  4. Step 4: Simplify right side
    8,343.44x = 31,285,096.99
  5. Step 5: Solve for x
    x = 31,285,096.99/8,343.44
  6. Step 6: Final answer
    x = 3,749.66

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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.