Home / 6,611.28-9,903.69-3,977.33

Finding the Fourth Proportional to 6,611.28, 9,903.69 and 3,977.33

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Solution

The fourth proportional to 6,611.28, 9,903.69 and 3,977.33 is: 5,958.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611.28 : 9,903.69 = 3,977.33 : x
  2. Step 2: Convert to fraction form
    6,611.28/9,903.69 = 3,977.33/x
  3. Step 3: Cross multiply
    6,611.28x = 9,903.69 × 3,977.33
  4. Step 4: Simplify right side
    6,611.28x = 39,390,230.97
  5. Step 5: Solve for x
    x = 39,390,230.97/6,611.28
  6. Step 6: Final answer
    x = 5,958.04

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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.