Home / 8,509.44-12,764.82-2,666

Finding the Fourth Proportional to 8,509.44, 12,764.82 and 2,666

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Solution

The fourth proportional to 8,509.44, 12,764.82 and 2,666 is: 3,999.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509.44 : 12,764.82 = 2,666 : x
  2. Step 2: Convert to fraction form
    8,509.44/12,764.82 = 2,666/x
  3. Step 3: Cross multiply
    8,509.44x = 12,764.82 × 2,666
  4. Step 4: Simplify right side
    8,509.44x = 34,031,010.12
  5. Step 5: Solve for x
    x = 34,031,010.12/8,509.44
  6. Step 6: Final answer
    x = 3,999.21

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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.