Home / 5,668.20-8,507.60-2,896.80

Finding the Fourth Proportional to 5,668.20, 8,507.60 and 2,896.80

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Solution

The fourth proportional to 5,668.20, 8,507.60 and 2,896.80 is: 4,347.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668.20 : 8,507.60 = 2,896.80 : x
  2. Step 2: Convert to fraction form
    5,668.20/8,507.60 = 2,896.80/x
  3. Step 3: Cross multiply
    5,668.20x = 8,507.60 × 2,896.80
  4. Step 4: Simplify right side
    5,668.20x = 24,644,815.68
  5. Step 5: Solve for x
    x = 24,644,815.68/5,668.20
  6. Step 6: Final answer
    x = 4,347.91

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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.