Home / 6,120.77-8,446.82-3,468.35

Finding the Fourth Proportional to 6,120.77, 8,446.82 and 3,468.35

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Solution

The fourth proportional to 6,120.77, 8,446.82 and 3,468.35 is: 4,786.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.77 : 8,446.82 = 3,468.35 : x
  2. Step 2: Convert to fraction form
    6,120.77/8,446.82 = 3,468.35/x
  3. Step 3: Cross multiply
    6,120.77x = 8,446.82 × 3,468.35
  4. Step 4: Simplify right side
    6,120.77x = 29,296,531.92
  5. Step 5: Solve for x
    x = 29,296,531.92/6,120.77
  6. Step 6: Final answer
    x = 4,786.42

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Find fourth proportional to 3,060.38, 4,223.41 and 1,734.18
Half scale
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Double scale
Find fourth proportional to 6,121.77, 8,448.20 and 3,469.35
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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.