Home / 5,238.29-7,855.52-1,727.64

Finding the Fourth Proportional to 5,238.29, 7,855.52 and 1,727.64

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Solution

The fourth proportional to 5,238.29, 7,855.52 and 1,727.64 is: 2,590.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.29 : 7,855.52 = 1,727.64 : x
  2. Step 2: Convert to fraction form
    5,238.29/7,855.52 = 1,727.64/x
  3. Step 3: Cross multiply
    5,238.29x = 7,855.52 × 1,727.64
  4. Step 4: Simplify right side
    5,238.29x = 13,571,539.66
  5. Step 5: Solve for x
    x = 13,571,539.66/5,238.29
  6. Step 6: Final answer
    x = 2,590.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.