Home / 6,668.08-9,980.39-4,912.38

Finding the Fourth Proportional to 6,668.08, 9,980.39 and 4,912.38

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Solution

The fourth proportional to 6,668.08, 9,980.39 and 4,912.38 is: 7,352.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668.08 : 9,980.39 = 4,912.38 : x
  2. Step 2: Convert to fraction form
    6,668.08/9,980.39 = 4,912.38/x
  3. Step 3: Cross multiply
    6,668.08x = 9,980.39 × 4,912.38
  4. Step 4: Simplify right side
    6,668.08x = 49,027,468.23
  5. Step 5: Solve for x
    x = 49,027,468.23/6,668.08
  6. Step 6: Final answer
    x = 7,352.56

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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.