Home / 6,935.42-10,403.64-2,005.09

Finding the Fourth Proportional to 6,935.42, 10,403.64 and 2,005.09

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Solution

The fourth proportional to 6,935.42, 10,403.64 and 2,005.09 is: 3,007.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,935.42 : 10,403.64 = 2,005.09 : x
  2. Step 2: Convert to fraction form
    6,935.42/10,403.64 = 2,005.09/x
  3. Step 3: Cross multiply
    6,935.42x = 10,403.64 × 2,005.09
  4. Step 4: Simplify right side
    6,935.42x = 20,860,208.52
  5. Step 5: Solve for x
    x = 20,860,208.52/6,935.42
  6. Step 6: Final answer
    x = 3,007.78

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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.