Home / 8,747.83-13,126.82-3,681.65

Finding the Fourth Proportional to 8,747.83, 13,126.82 and 3,681.65

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Solution

The fourth proportional to 8,747.83, 13,126.82 and 3,681.65 is: 5,524.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.83 : 13,126.82 = 3,681.65 : x
  2. Step 2: Convert to fraction form
    8,747.83/13,126.82 = 3,681.65/x
  3. Step 3: Cross multiply
    8,747.83x = 13,126.82 × 3,681.65
  4. Step 4: Simplify right side
    8,747.83x = 48,328,291.22
  5. Step 5: Solve for x
    x = 48,328,291.22/8,747.83
  6. Step 6: Final answer
    x = 5,524.61

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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.