Home / 5,150.99-7,108.39-2,793.15

Finding the Fourth Proportional to 5,150.99, 7,108.39 and 2,793.15

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Solution

The fourth proportional to 5,150.99, 7,108.39 and 2,793.15 is: 3,854.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.99 : 7,108.39 = 2,793.15 : x
  2. Step 2: Convert to fraction form
    5,150.99/7,108.39 = 2,793.15/x
  3. Step 3: Cross multiply
    5,150.99x = 7,108.39 × 2,793.15
  4. Step 4: Simplify right side
    5,150.99x = 19,854,803.02
  5. Step 5: Solve for x
    x = 19,854,803.02/5,150.99
  6. Step 6: Final answer
    x = 3,854.56

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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.