Home / 5,818.03-8,727.35-2,120.18

Finding the Fourth Proportional to 5,818.03, 8,727.35 and 2,120.18

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Solution

The fourth proportional to 5,818.03, 8,727.35 and 2,120.18 is: 3,180.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.03 : 8,727.35 = 2,120.18 : x
  2. Step 2: Convert to fraction form
    5,818.03/8,727.35 = 2,120.18/x
  3. Step 3: Cross multiply
    5,818.03x = 8,727.35 × 2,120.18
  4. Step 4: Simplify right side
    5,818.03x = 18,503,498.69
  5. Step 5: Solve for x
    x = 18,503,498.69/5,818.03
  6. Step 6: Final answer
    x = 3,180.37

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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.