Home / 5,234.92-7,221.49-3,555.79

Finding the Fourth Proportional to 5,234.92, 7,221.49 and 3,555.79

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Solution

The fourth proportional to 5,234.92, 7,221.49 and 3,555.79 is: 4,905.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.92 : 7,221.49 = 3,555.79 : x
  2. Step 2: Convert to fraction form
    5,234.92/7,221.49 = 3,555.79/x
  3. Step 3: Cross multiply
    5,234.92x = 7,221.49 × 3,555.79
  4. Step 4: Simplify right side
    5,234.92x = 25,678,101.93
  5. Step 5: Solve for x
    x = 25,678,101.93/5,234.92
  6. Step 6: Final answer
    x = 4,905.16

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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.