Home / 5,578.67-8,370.29-2,458.55

Finding the Fourth Proportional to 5,578.67, 8,370.29 and 2,458.55

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Solution

The fourth proportional to 5,578.67, 8,370.29 and 2,458.55 is: 3,688.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.67 : 8,370.29 = 2,458.55 : x
  2. Step 2: Convert to fraction form
    5,578.67/8,370.29 = 2,458.55/x
  3. Step 3: Cross multiply
    5,578.67x = 8,370.29 × 2,458.55
  4. Step 4: Simplify right side
    5,578.67x = 20,578,789.72
  5. Step 5: Solve for x
    x = 20,578,789.72/5,578.67
  6. Step 6: Final answer
    x = 3,688.83

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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.