Home / 7,606.10-11,405.50-3,906.42

Finding the Fourth Proportional to 7,606.10, 11,405.50 and 3,906.42

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Solution

The fourth proportional to 7,606.10, 11,405.50 and 3,906.42 is: 5,857.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,606.10 : 11,405.50 = 3,906.42 : x
  2. Step 2: Convert to fraction form
    7,606.10/11,405.50 = 3,906.42/x
  3. Step 3: Cross multiply
    7,606.10x = 11,405.50 × 3,906.42
  4. Step 4: Simplify right side
    7,606.10x = 44,554,673.31
  5. Step 5: Solve for x
    x = 44,554,673.31/7,606.10
  6. Step 6: Final answer
    x = 5,857.76

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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.