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Finding the Fourth Proportional to 6,080.76, 8,393.04 and 3,961.58

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Solution

The fourth proportional to 6,080.76, 8,393.04 and 3,961.58 is: 5,468.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,080.76 : 8,393.04 = 3,961.58 : x
  2. Step 2: Convert to fraction form
    6,080.76/8,393.04 = 3,961.58/x
  3. Step 3: Cross multiply
    6,080.76x = 8,393.04 × 3,961.58
  4. Step 4: Simplify right side
    6,080.76x = 33,249,657.44
  5. Step 5: Solve for x
    x = 33,249,657.44/6,080.76
  6. Step 6: Final answer
    x = 5,468.01

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Half scale
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Double 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.