Home / 6,201.74-8,554.99-3,928.92

Finding the Fourth Proportional to 6,201.74, 8,554.99 and 3,928.92

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Solution

The fourth proportional to 6,201.74, 8,554.99 and 3,928.92 is: 5,419.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,201.74 : 8,554.99 = 3,928.92 : x
  2. Step 2: Convert to fraction form
    6,201.74/8,554.99 = 3,928.92/x
  3. Step 3: Cross multiply
    6,201.74x = 8,554.99 × 3,928.92
  4. Step 4: Simplify right side
    6,201.74x = 33,611,871.31
  5. Step 5: Solve for x
    x = 33,611,871.31/6,201.74
  6. Step 6: Final answer
    x = 5,419.75

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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.