Home / 7,933.93-11,906.87-5,429.12

Finding the Fourth Proportional to 7,933.93, 11,906.87 and 5,429.12

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Solution

The fourth proportional to 7,933.93, 11,906.87 and 5,429.12 is: 8,147.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.93 : 11,906.87 = 5,429.12 : x
  2. Step 2: Convert to fraction form
    7,933.93/11,906.87 = 5,429.12/x
  3. Step 3: Cross multiply
    7,933.93x = 11,906.87 × 5,429.12
  4. Step 4: Simplify right side
    7,933.93x = 64,643,739.37
  5. Step 5: Solve for x
    x = 64,643,739.37/7,933.93
  6. Step 6: Final answer
    x = 8,147.76

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1.5x scale

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.