Home / 5,150.08-7,727.40-2,189.26

Finding the Fourth Proportional to 5,150.08, 7,727.40 and 2,189.26

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Solution

The fourth proportional to 5,150.08, 7,727.40 and 2,189.26 is: 3,284.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.08 : 7,727.40 = 2,189.26 : x
  2. Step 2: Convert to fraction form
    5,150.08/7,727.40 = 2,189.26/x
  3. Step 3: Cross multiply
    5,150.08x = 7,727.40 × 2,189.26
  4. Step 4: Simplify right side
    5,150.08x = 16,917,287.72
  5. Step 5: Solve for x
    x = 16,917,287.72/5,150.08
  6. Step 6: Final answer
    x = 3,284.86

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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.