Home / 6,917.75-9,546.26-3,934.32

Finding the Fourth Proportional to 6,917.75, 9,546.26 and 3,934.32

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Solution

The fourth proportional to 6,917.75, 9,546.26 and 3,934.32 is: 5,429.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.75 : 9,546.26 = 3,934.32 : x
  2. Step 2: Convert to fraction form
    6,917.75/9,546.26 = 3,934.32/x
  3. Step 3: Cross multiply
    6,917.75x = 9,546.26 × 3,934.32
  4. Step 4: Simplify right side
    6,917.75x = 37,558,039.87
  5. Step 5: Solve for x
    x = 37,558,039.87/6,917.75
  6. Step 6: Final answer
    x = 5,429.22

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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.