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Finding the Fourth Proportional to 6,133.28, 8,462.76 and 3,895.52

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Solution

The fourth proportional to 6,133.28, 8,462.76 and 3,895.52 is: 5,375.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,133.28 : 8,462.76 = 3,895.52 : x
  2. Step 2: Convert to fraction form
    6,133.28/8,462.76 = 3,895.52/x
  3. Step 3: Cross multiply
    6,133.28x = 8,462.76 × 3,895.52
  4. Step 4: Simplify right side
    6,133.28x = 32,966,850.84
  5. Step 5: Solve for x
    x = 32,966,850.84/6,133.28
  6. Step 6: Final answer
    x = 5,375.08

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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.