Home / 7,965.37-11,947.92-2,699.25

Finding the Fourth Proportional to 7,965.37, 11,947.92 and 2,699.25

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Solution

The fourth proportional to 7,965.37, 11,947.92 and 2,699.25 is: 4,048.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.37 : 11,947.92 = 2,699.25 : x
  2. Step 2: Convert to fraction form
    7,965.37/11,947.92 = 2,699.25/x
  3. Step 3: Cross multiply
    7,965.37x = 11,947.92 × 2,699.25
  4. Step 4: Simplify right side
    7,965.37x = 32,250,423.06
  5. Step 5: Solve for x
    x = 32,250,423.06/7,965.37
  6. Step 6: Final answer
    x = 4,048.83

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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.