Home / 5,465.32-8,198.11-2,133.79

Finding the Fourth Proportional to 5,465.32, 8,198.11 and 2,133.79

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Solution

The fourth proportional to 5,465.32, 8,198.11 and 2,133.79 is: 3,200.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.32 : 8,198.11 = 2,133.79 : x
  2. Step 2: Convert to fraction form
    5,465.32/8,198.11 = 2,133.79/x
  3. Step 3: Cross multiply
    5,465.32x = 8,198.11 × 2,133.79
  4. Step 4: Simplify right side
    5,465.32x = 17,493,045.14
  5. Step 5: Solve for x
    x = 17,493,045.14/5,465.32
  6. Step 6: Final answer
    x = 3,200.74

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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.