Home / 6,379.45-9,565.50-2,479.30

Finding the Fourth Proportional to 6,379.45, 9,565.50 and 2,479.30

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Solution

The fourth proportional to 6,379.45, 9,565.50 and 2,479.30 is: 3,717.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.45 : 9,565.50 = 2,479.30 : x
  2. Step 2: Convert to fraction form
    6,379.45/9,565.50 = 2,479.30/x
  3. Step 3: Cross multiply
    6,379.45x = 9,565.50 × 2,479.30
  4. Step 4: Simplify right side
    6,379.45x = 23,715,768.06
  5. Step 5: Solve for x
    x = 23,715,768.06/6,379.45
  6. Step 6: Final answer
    x = 3,717.52

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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.