Home / 5,646.18-8,465.49-2,179.38

Finding the Fourth Proportional to 5,646.18, 8,465.49 and 2,179.38

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Solution

The fourth proportional to 5,646.18, 8,465.49 and 2,179.38 is: 3,267.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,646.18 : 8,465.49 = 2,179.38 : x
  2. Step 2: Convert to fraction form
    5,646.18/8,465.49 = 2,179.38/x
  3. Step 3: Cross multiply
    5,646.18x = 8,465.49 × 2,179.38
  4. Step 4: Simplify right side
    5,646.18x = 18,449,519.60
  5. Step 5: Solve for x
    x = 18,449,519.60/5,646.18
  6. Step 6: Final answer
    x = 3,267.61

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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.