Home / 8,694.90-13,039.92-3,499.56

Finding the Fourth Proportional to 8,694.90, 13,039.92 and 3,499.56

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Solution

The fourth proportional to 8,694.90, 13,039.92 and 3,499.56 is: 5,248.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.90 : 13,039.92 = 3,499.56 : x
  2. Step 2: Convert to fraction form
    8,694.90/13,039.92 = 3,499.56/x
  3. Step 3: Cross multiply
    8,694.90x = 13,039.92 × 3,499.56
  4. Step 4: Simplify right side
    8,694.90x = 45,633,982.44
  5. Step 5: Solve for x
    x = 45,633,982.44/8,694.90
  6. Step 6: Final answer
    x = 5,248.36

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1.5x scale

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.