Home / 4,188.28-6,270.52-3,199.94

Finding the Fourth Proportional to 4,188.28, 6,270.52 and 3,199.94

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Solution

The fourth proportional to 4,188.28, 6,270.52 and 3,199.94 is: 4,790.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.28 : 6,270.52 = 3,199.94 : x
  2. Step 2: Convert to fraction form
    4,188.28/6,270.52 = 3,199.94/x
  3. Step 3: Cross multiply
    4,188.28x = 6,270.52 × 3,199.94
  4. Step 4: Simplify right side
    4,188.28x = 20,065,287.77
  5. Step 5: Solve for x
    x = 20,065,287.77/4,188.28
  6. Step 6: Final answer
    x = 4,790.82

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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.