Home / 6,218.22-8,578.24-3,698.92

Finding the Fourth Proportional to 6,218.22, 8,578.24 and 3,698.92

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Solution

The fourth proportional to 6,218.22, 8,578.24 and 3,698.92 is: 5,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.22 : 8,578.24 = 3,698.92 : x
  2. Step 2: Convert to fraction form
    6,218.22/8,578.24 = 3,698.92/x
  3. Step 3: Cross multiply
    6,218.22x = 8,578.24 × 3,698.92
  4. Step 4: Simplify right side
    6,218.22x = 31,730,223.50
  5. Step 5: Solve for x
    x = 31,730,223.50/6,218.22
  6. Step 6: Final answer
    x = 5,102.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.