Home / 6,219.97-9,332.95-3,879.38

Finding the Fourth Proportional to 6,219.97, 9,332.95 and 3,879.38

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Solution

The fourth proportional to 6,219.97, 9,332.95 and 3,879.38 is: 5,820.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.97 : 9,332.95 = 3,879.38 : x
  2. Step 2: Convert to fraction form
    6,219.97/9,332.95 = 3,879.38/x
  3. Step 3: Cross multiply
    6,219.97x = 9,332.95 × 3,879.38
  4. Step 4: Simplify right side
    6,219.97x = 36,206,059.57
  5. Step 5: Solve for x
    x = 36,206,059.57/6,219.97
  6. Step 6: Final answer
    x = 5,820.94

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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.