Home / 8,791.86-13,187.82-3,242.35

Finding the Fourth Proportional to 8,791.86, 13,187.82 and 3,242.35

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Solution

The fourth proportional to 8,791.86, 13,187.82 and 3,242.35 is: 4,863.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.86 : 13,187.82 = 3,242.35 : x
  2. Step 2: Convert to fraction form
    8,791.86/13,187.82 = 3,242.35/x
  3. Step 3: Cross multiply
    8,791.86x = 13,187.82 × 3,242.35
  4. Step 4: Simplify right side
    8,791.86x = 42,759,528.18
  5. Step 5: Solve for x
    x = 42,759,528.18/8,791.86
  6. Step 6: Final answer
    x = 4,863.54

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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.