Home / 7,188.08-10,778.46-3,289.14

Finding the Fourth Proportional to 7,188.08, 10,778.46 and 3,289.14

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Solution

The fourth proportional to 7,188.08, 10,778.46 and 3,289.14 is: 4,932.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188.08 : 10,778.46 = 3,289.14 : x
  2. Step 2: Convert to fraction form
    7,188.08/10,778.46 = 3,289.14/x
  3. Step 3: Cross multiply
    7,188.08x = 10,778.46 × 3,289.14
  4. Step 4: Simplify right side
    7,188.08x = 35,451,863.92
  5. Step 5: Solve for x
    x = 35,451,863.92/7,188.08
  6. Step 6: Final answer
    x = 4,932.04

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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.