Home / 5,208.09-7,187.75-3,319.76

Finding the Fourth Proportional to 5,208.09, 7,187.75 and 3,319.76

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Solution

The fourth proportional to 5,208.09, 7,187.75 and 3,319.76 is: 4,581.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.09 : 7,187.75 = 3,319.76 : x
  2. Step 2: Convert to fraction form
    5,208.09/7,187.75 = 3,319.76/x
  3. Step 3: Cross multiply
    5,208.09x = 7,187.75 × 3,319.76
  4. Step 4: Simplify right side
    5,208.09x = 23,861,604.94
  5. Step 5: Solve for x
    x = 23,861,604.94/5,208.09
  6. Step 6: Final answer
    x = 4,581.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.