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Finding the Fourth Proportional to 6,351.63, 8,765.51 and 3,698.61

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Solution

The fourth proportional to 6,351.63, 8,765.51 and 3,698.61 is: 5,104.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351.63 : 8,765.51 = 3,698.61 : x
  2. Step 2: Convert to fraction form
    6,351.63/8,765.51 = 3,698.61/x
  3. Step 3: Cross multiply
    6,351.63x = 8,765.51 × 3,698.61
  4. Step 4: Simplify right side
    6,351.63x = 32,420,202.94
  5. Step 5: Solve for x
    x = 32,420,202.94/6,351.63
  6. Step 6: Final answer
    x = 5,104.23

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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.