Home / 8,228.17-12,339.42-2,383.21

Finding the Fourth Proportional to 8,228.17, 12,339.42 and 2,383.21

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Solution

The fourth proportional to 8,228.17, 12,339.42 and 2,383.21 is: 3,573.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.17 : 12,339.42 = 2,383.21 : x
  2. Step 2: Convert to fraction form
    8,228.17/12,339.42 = 2,383.21/x
  3. Step 3: Cross multiply
    8,228.17x = 12,339.42 × 2,383.21
  4. Step 4: Simplify right side
    8,228.17x = 29,407,429.14
  5. Step 5: Solve for x
    x = 29,407,429.14/8,228.17
  6. Step 6: Final answer
    x = 3,573.99

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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.