Home / 6,917.79-9,546.44-3,933.56

Finding the Fourth Proportional to 6,917.79, 9,546.44 and 3,933.56

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Solution

The fourth proportional to 6,917.79, 9,546.44 and 3,933.56 is: 5,428.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.79 : 9,546.44 = 3,933.56 : x
  2. Step 2: Convert to fraction form
    6,917.79/9,546.44 = 3,933.56/x
  3. Step 3: Cross multiply
    6,917.79x = 9,546.44 × 3,933.56
  4. Step 4: Simplify right side
    6,917.79x = 37,551,494.53
  5. Step 5: Solve for x
    x = 37,551,494.53/6,917.79
  6. Step 6: Final answer
    x = 5,428.25

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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.