Home / 6,101.91-8,420.43-3,449.19

Finding the Fourth Proportional to 6,101.91, 8,420.43 and 3,449.19

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Solution

The fourth proportional to 6,101.91, 8,420.43 and 3,449.19 is: 4,759.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101.91 : 8,420.43 = 3,449.19 : x
  2. Step 2: Convert to fraction form
    6,101.91/8,420.43 = 3,449.19/x
  3. Step 3: Cross multiply
    6,101.91x = 8,420.43 × 3,449.19
  4. Step 4: Simplify right side
    6,101.91x = 29,043,662.95
  5. Step 5: Solve for x
    x = 29,043,662.95/6,101.91
  6. Step 6: Final answer
    x = 4,759.77

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Half scale
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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.