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Finding the Fourth Proportional to 6,401, 8,833.38 and 3,606.60

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Solution

The fourth proportional to 6,401, 8,833.38 and 3,606.60 is: 4,977.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401 : 8,833.38 = 3,606.60 : x
  2. Step 2: Convert to fraction form
    6,401/8,833.38 = 3,606.60/x
  3. Step 3: Cross multiply
    6,401x = 8,833.38 × 3,606.60
  4. Step 4: Simplify right side
    6,401x = 31,858,468.31
  5. Step 5: Solve for x
    x = 31,858,468.31/6,401
  6. Step 6: Final answer
    x = 4,977.11

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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.