Home / 5,254.20-7,245.92-3,835.65

Finding the Fourth Proportional to 5,254.20, 7,245.92 and 3,835.65

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Solution

The fourth proportional to 5,254.20, 7,245.92 and 3,835.65 is: 5,289.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.20 : 7,245.92 = 3,835.65 : x
  2. Step 2: Convert to fraction form
    5,254.20/7,245.92 = 3,835.65/x
  3. Step 3: Cross multiply
    5,254.20x = 7,245.92 × 3,835.65
  4. Step 4: Simplify right side
    5,254.20x = 27,792,793.87
  5. Step 5: Solve for x
    x = 27,792,793.87/5,254.20
  6. Step 6: Final answer
    x = 5,289.63

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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.