Home / 5,414.94-8,127.84-3,654.36

Finding the Fourth Proportional to 5,414.94, 8,127.84 and 3,654.36

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Solution

The fourth proportional to 5,414.94, 8,127.84 and 3,654.36 is: 5,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.94 : 8,127.84 = 3,654.36 : x
  2. Step 2: Convert to fraction form
    5,414.94/8,127.84 = 3,654.36/x
  3. Step 3: Cross multiply
    5,414.94x = 8,127.84 × 3,654.36
  4. Step 4: Simplify right side
    5,414.94x = 29,702,053.38
  5. Step 5: Solve for x
    x = 29,702,053.38/5,414.94
  6. Step 6: Final answer
    x = 5,485.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.