Home / 5,151.09-7,108.50-2,793.22

Finding the Fourth Proportional to 5,151.09, 7,108.50 and 2,793.22

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Solution

The fourth proportional to 5,151.09, 7,108.50 and 2,793.22 is: 3,854.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.09 : 7,108.50 = 2,793.22 : x
  2. Step 2: Convert to fraction form
    5,151.09/7,108.50 = 2,793.22/x
  3. Step 3: Cross multiply
    5,151.09x = 7,108.50 × 2,793.22
  4. Step 4: Simplify right side
    5,151.09x = 19,855,604.37
  5. Step 5: Solve for x
    x = 19,855,604.37/5,151.09
  6. Step 6: Final answer
    x = 3,854.64

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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.