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Finding the Fourth Proportional to 6,351.66, 8,765.81 and 3,698.91

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Solution

The fourth proportional to 6,351.66, 8,765.81 and 3,698.91 is: 5,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351.66 : 8,765.81 = 3,698.91 : x
  2. Step 2: Convert to fraction form
    6,351.66/8,765.81 = 3,698.91/x
  3. Step 3: Cross multiply
    6,351.66x = 8,765.81 × 3,698.91
  4. Step 4: Simplify right side
    6,351.66x = 32,423,942.27
  5. Step 5: Solve for x
    x = 32,423,942.27/6,351.66
  6. Step 6: Final answer
    x = 5,104.80

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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.