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Finding the Fourth Proportional to 6,168.63, 8,512.69 and 3,479.84

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Solution

The fourth proportional to 6,168.63, 8,512.69 and 3,479.84 is: 4,802.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,168.63 : 8,512.69 = 3,479.84 : x
  2. Step 2: Convert to fraction form
    6,168.63/8,512.69 = 3,479.84/x
  3. Step 3: Cross multiply
    6,168.63x = 8,512.69 × 3,479.84
  4. Step 4: Simplify right side
    6,168.63x = 29,622,799.17
  5. Step 5: Solve for x
    x = 29,622,799.17/6,168.63
  6. Step 6: Final answer
    x = 4,802.17

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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.