Home / 5,379.62-8,069.45-2,455.88

Finding the Fourth Proportional to 5,379.62, 8,069.45 and 2,455.88

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Solution

The fourth proportional to 5,379.62, 8,069.45 and 2,455.88 is: 3,683.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.62 : 8,069.45 = 2,455.88 : x
  2. Step 2: Convert to fraction form
    5,379.62/8,069.45 = 2,455.88/x
  3. Step 3: Cross multiply
    5,379.62x = 8,069.45 × 2,455.88
  4. Step 4: Simplify right side
    5,379.62x = 19,817,566.66
  5. Step 5: Solve for x
    x = 19,817,566.66/5,379.62
  6. Step 6: Final answer
    x = 3,683.83

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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.