Home / 5,150.86-7,108.20-2,793.01

Finding the Fourth Proportional to 5,150.86, 7,108.20 and 2,793.01

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Solution

The fourth proportional to 5,150.86, 7,108.20 and 2,793.01 is: 3,854.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.86 : 7,108.20 = 2,793.01 : x
  2. Step 2: Convert to fraction form
    5,150.86/7,108.20 = 2,793.01/x
  3. Step 3: Cross multiply
    5,150.86x = 7,108.20 × 2,793.01
  4. Step 4: Simplify right side
    5,150.86x = 19,853,273.68
  5. Step 5: Solve for x
    x = 19,853,273.68/5,150.86
  6. Step 6: Final answer
    x = 3,854.36

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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.