Home / 5,238.88-7,231.08-3,379.12

Finding the Fourth Proportional to 5,238.88, 7,231.08 and 3,379.12

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Solution

The fourth proportional to 5,238.88, 7,231.08 and 3,379.12 is: 4,664.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.88 : 7,231.08 = 3,379.12 : x
  2. Step 2: Convert to fraction form
    5,238.88/7,231.08 = 3,379.12/x
  3. Step 3: Cross multiply
    5,238.88x = 7,231.08 × 3,379.12
  4. Step 4: Simplify right side
    5,238.88x = 24,434,687.05
  5. Step 5: Solve for x
    x = 24,434,687.05/5,238.88
  6. Step 6: Final answer
    x = 4,664.11

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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.