Home / 5,818.53-8,727.75-2,119.47

Finding the Fourth Proportional to 5,818.53, 8,727.75 and 2,119.47

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Solution

The fourth proportional to 5,818.53, 8,727.75 and 2,119.47 is: 3,179.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.53 : 8,727.75 = 2,119.47 : x
  2. Step 2: Convert to fraction form
    5,818.53/8,727.75 = 2,119.47/x
  3. Step 3: Cross multiply
    5,818.53x = 8,727.75 × 2,119.47
  4. Step 4: Simplify right side
    5,818.53x = 18,498,171.56
  5. Step 5: Solve for x
    x = 18,498,171.56/5,818.53
  6. Step 6: Final answer
    x = 3,179.18

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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.