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Finding the Fourth Proportional to 6,351.81, 8,766.75 and 3,699.64

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Solution

The fourth proportional to 6,351.81, 8,766.75 and 3,699.64 is: 5,106.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351.81 : 8,766.75 = 3,699.64 : x
  2. Step 2: Convert to fraction form
    6,351.81/8,766.75 = 3,699.64/x
  3. Step 3: Cross multiply
    6,351.81x = 8,766.75 × 3,699.64
  4. Step 4: Simplify right side
    6,351.81x = 32,433,818.97
  5. Step 5: Solve for x
    x = 32,433,818.97/6,351.81
  6. Step 6: Final answer
    x = 5,106.23

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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.