Home / 7,662.90-11,499.48-3,281.43

Finding the Fourth Proportional to 7,662.90, 11,499.48 and 3,281.43

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Solution

The fourth proportional to 7,662.90, 11,499.48 and 3,281.43 is: 4,924.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,662.90 : 11,499.48 = 3,281.43 : x
  2. Step 2: Convert to fraction form
    7,662.90/11,499.48 = 3,281.43/x
  3. Step 3: Cross multiply
    7,662.90x = 11,499.48 × 3,281.43
  4. Step 4: Simplify right side
    7,662.90x = 37,734,738.66
  5. Step 5: Solve for x
    x = 37,734,738.66/7,662.90
  6. Step 6: Final answer
    x = 4,924.34

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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.