Home / 7,403.82-11,111.64-3,895.86

Finding the Fourth Proportional to 7,403.82, 11,111.64 and 3,895.86

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Solution

The fourth proportional to 7,403.82, 11,111.64 and 3,895.86 is: 5,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.82 : 11,111.64 = 3,895.86 : x
  2. Step 2: Convert to fraction form
    7,403.82/11,111.64 = 3,895.86/x
  3. Step 3: Cross multiply
    7,403.82x = 11,111.64 × 3,895.86
  4. Step 4: Simplify right side
    7,403.82x = 43,289,393.81
  5. Step 5: Solve for x
    x = 43,289,393.81/7,403.82
  6. Step 6: Final answer
    x = 5,846.90

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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.