Home / 5,647.23-7,793.55-5,195.25

Finding the Fourth Proportional to 5,647.23, 7,793.55 and 5,195.25

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Solution

The fourth proportional to 5,647.23, 7,793.55 and 5,195.25 is: 7,169.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647.23 : 7,793.55 = 5,195.25 : x
  2. Step 2: Convert to fraction form
    5,647.23/7,793.55 = 5,195.25/x
  3. Step 3: Cross multiply
    5,647.23x = 7,793.55 × 5,195.25
  4. Step 4: Simplify right side
    5,647.23x = 40,489,440.64
  5. Step 5: Solve for x
    x = 40,489,440.64/5,647.23
  6. Step 6: Final answer
    x = 7,169.79

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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.