Home / 5,809.20-8,708.89-2,519.81

Finding the Fourth Proportional to 5,809.20, 8,708.89 and 2,519.81

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Solution

The fourth proportional to 5,809.20, 8,708.89 and 2,519.81 is: 3,777.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.20 : 8,708.89 = 2,519.81 : x
  2. Step 2: Convert to fraction form
    5,809.20/8,708.89 = 2,519.81/x
  3. Step 3: Cross multiply
    5,809.20x = 8,708.89 × 2,519.81
  4. Step 4: Simplify right side
    5,809.20x = 21,944,740.37
  5. Step 5: Solve for x
    x = 21,944,740.37/5,809.20
  6. Step 6: Final answer
    x = 3,777.59

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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.