Home / 5,219.51-7,825.14-2,587.92

Finding the Fourth Proportional to 5,219.51, 7,825.14 and 2,587.92

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Solution

The fourth proportional to 5,219.51, 7,825.14 and 2,587.92 is: 3,879.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.51 : 7,825.14 = 2,587.92 : x
  2. Step 2: Convert to fraction form
    5,219.51/7,825.14 = 2,587.92/x
  3. Step 3: Cross multiply
    5,219.51x = 7,825.14 × 2,587.92
  4. Step 4: Simplify right side
    5,219.51x = 20,250,784.24
  5. Step 5: Solve for x
    x = 20,250,784.24/5,219.51
  6. Step 6: Final answer
    x = 3,879.83

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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.