Home / 5,465.43-8,199.63-2,180.85

Finding the Fourth Proportional to 5,465.43, 8,199.63 and 2,180.85

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Solution

The fourth proportional to 5,465.43, 8,199.63 and 2,180.85 is: 3,271.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.43 : 8,199.63 = 2,180.85 : x
  2. Step 2: Convert to fraction form
    5,465.43/8,199.63 = 2,180.85/x
  3. Step 3: Cross multiply
    5,465.43x = 8,199.63 × 2,180.85
  4. Step 4: Simplify right side
    5,465.43x = 17,882,163.09
  5. Step 5: Solve for x
    x = 17,882,163.09/5,465.43
  6. Step 6: Final answer
    x = 3,271.87

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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.