Home / 8,291.21-12,436.34-3,359.52

Finding the Fourth Proportional to 8,291.21, 12,436.34 and 3,359.52

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Solution

The fourth proportional to 8,291.21, 12,436.34 and 3,359.52 is: 5,039.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291.21 : 12,436.34 = 3,359.52 : x
  2. Step 2: Convert to fraction form
    8,291.21/12,436.34 = 3,359.52/x
  3. Step 3: Cross multiply
    8,291.21x = 12,436.34 × 3,359.52
  4. Step 4: Simplify right side
    8,291.21x = 41,780,141.36
  5. Step 5: Solve for x
    x = 41,780,141.36/8,291.21
  6. Step 6: Final answer
    x = 5,039.09

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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.