Home / 8,099.43-12,148.81-2,556.76

Finding the Fourth Proportional to 8,099.43, 12,148.81 and 2,556.76

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Solution

The fourth proportional to 8,099.43, 12,148.81 and 2,556.76 is: 3,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.43 : 12,148.81 = 2,556.76 : x
  2. Step 2: Convert to fraction form
    8,099.43/12,148.81 = 2,556.76/x
  3. Step 3: Cross multiply
    8,099.43x = 12,148.81 × 2,556.76
  4. Step 4: Simplify right side
    8,099.43x = 31,061,517.93
  5. Step 5: Solve for x
    x = 31,061,517.93/8,099.43
  6. Step 6: Final answer
    x = 3,835.03

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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.