Home / 5,173.09-7,138.94-2,934.86

Finding the Fourth Proportional to 5,173.09, 7,138.94 and 2,934.86

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Solution

The fourth proportional to 5,173.09, 7,138.94 and 2,934.86 is: 4,050.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.09 : 7,138.94 = 2,934.86 : x
  2. Step 2: Convert to fraction form
    5,173.09/7,138.94 = 2,934.86/x
  3. Step 3: Cross multiply
    5,173.09x = 7,138.94 × 2,934.86
  4. Step 4: Simplify right side
    5,173.09x = 20,951,739.08
  5. Step 5: Solve for x
    x = 20,951,739.08/5,173.09
  6. Step 6: Final answer
    x = 4,050.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.