Home / 8,668.90-13,003.98-2,825.26

Finding the Fourth Proportional to 8,668.90, 13,003.98 and 2,825.26

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Solution

The fourth proportional to 8,668.90, 13,003.98 and 2,825.26 is: 4,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.90 : 13,003.98 = 2,825.26 : x
  2. Step 2: Convert to fraction form
    8,668.90/13,003.98 = 2,825.26/x
  3. Step 3: Cross multiply
    8,668.90x = 13,003.98 × 2,825.26
  4. Step 4: Simplify right side
    8,668.90x = 36,739,624.53
  5. Step 5: Solve for x
    x = 36,739,624.53/8,668.90
  6. Step 6: Final answer
    x = 4,238.10

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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.