Home / 8,199.70-12,299.57-2,277.05

Finding the Fourth Proportional to 8,199.70, 12,299.57 and 2,277.05

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Solution

The fourth proportional to 8,199.70, 12,299.57 and 2,277.05 is: 3,415.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199.70 : 12,299.57 = 2,277.05 : x
  2. Step 2: Convert to fraction form
    8,199.70/12,299.57 = 2,277.05/x
  3. Step 3: Cross multiply
    8,199.70x = 12,299.57 × 2,277.05
  4. Step 4: Simplify right side
    8,199.70x = 28,006,674.37
  5. Step 5: Solve for x
    x = 28,006,674.37/8,199.70
  6. Step 6: Final answer
    x = 3,415.58

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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.