Home / 4,206.28-6,308.76-1,608.64

Finding the Fourth Proportional to 4,206.28, 6,308.76 and 1,608.64

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Solution

The fourth proportional to 4,206.28, 6,308.76 and 1,608.64 is: 2,412.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,206.28 : 6,308.76 = 1,608.64 : x
  2. Step 2: Convert to fraction form
    4,206.28/6,308.76 = 1,608.64/x
  3. Step 3: Cross multiply
    4,206.28x = 6,308.76 × 1,608.64
  4. Step 4: Simplify right side
    4,206.28x = 10,148,523.69
  5. Step 5: Solve for x
    x = 10,148,523.69/4,206.28
  6. Step 6: Final answer
    x = 2,412.71

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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.