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Finding the Fourth Proportional to 5,596.80, 7,723.58 and 3,238.98

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Solution

The fourth proportional to 5,596.80, 7,723.58 and 3,238.98 is: 4,469.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,596.80 : 7,723.58 = 3,238.98 : x
  2. Step 2: Convert to fraction form
    5,596.80/7,723.58 = 3,238.98/x
  3. Step 3: Cross multiply
    5,596.80x = 7,723.58 × 3,238.98
  4. Step 4: Simplify right side
    5,596.80x = 25,016,521.15
  5. Step 5: Solve for x
    x = 25,016,521.15/5,596.80
  6. Step 6: Final answer
    x = 4,469.79

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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.