Home / 6,139.92-9,207.96-2,441.12

Finding the Fourth Proportional to 6,139.92, 9,207.96 and 2,441.12

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Solution

The fourth proportional to 6,139.92, 9,207.96 and 2,441.12 is: 3,660.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.92 : 9,207.96 = 2,441.12 : x
  2. Step 2: Convert to fraction form
    6,139.92/9,207.96 = 2,441.12/x
  3. Step 3: Cross multiply
    6,139.92x = 9,207.96 × 2,441.12
  4. Step 4: Simplify right side
    6,139.92x = 22,477,735.32
  5. Step 5: Solve for x
    x = 22,477,735.32/6,139.92
  6. Step 6: Final answer
    x = 3,660.92

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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.