Home / 5,472.12-7,550.82-3,081.80

Finding the Fourth Proportional to 5,472.12, 7,550.82 and 3,081.80

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Solution

The fourth proportional to 5,472.12, 7,550.82 and 3,081.80 is: 4,252.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.12 : 7,550.82 = 3,081.80 : x
  2. Step 2: Convert to fraction form
    5,472.12/7,550.82 = 3,081.80/x
  3. Step 3: Cross multiply
    5,472.12x = 7,550.82 × 3,081.80
  4. Step 4: Simplify right side
    5,472.12x = 23,270,117.08
  5. Step 5: Solve for x
    x = 23,270,117.08/5,472.12
  6. Step 6: Final answer
    x = 4,252.49

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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.