Home / 7,939.83-11,949.63-5,975.64

Finding the Fourth Proportional to 7,939.83, 11,949.63 and 5,975.64

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Solution

The fourth proportional to 7,939.83, 11,949.63 and 5,975.64 is: 8,993.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.83 : 11,949.63 = 5,975.64 : x
  2. Step 2: Convert to fraction form
    7,939.83/11,949.63 = 5,975.64/x
  3. Step 3: Cross multiply
    7,939.83x = 11,949.63 × 5,975.64
  4. Step 4: Simplify right side
    7,939.83x = 71,406,687.01
  5. Step 5: Solve for x
    x = 71,406,687.01/7,939.83
  6. Step 6: Final answer
    x = 8,993.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.