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Finding the Fourth Proportional to 6,779.37, 9,351.95 and 3,983.25

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Solution

The fourth proportional to 6,779.37, 9,351.95 and 3,983.25 is: 5,494.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.37 : 9,351.95 = 3,983.25 : x
  2. Step 2: Convert to fraction form
    6,779.37/9,351.95 = 3,983.25/x
  3. Step 3: Cross multiply
    6,779.37x = 9,351.95 × 3,983.25
  4. Step 4: Simplify right side
    6,779.37x = 37,251,134.92
  5. Step 5: Solve for x
    x = 37,251,134.92/6,779.37
  6. Step 6: Final answer
    x = 5,494.78

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1.5x scale

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.