Home / 8,129.07-12,193.61-2,285.68

Finding the Fourth Proportional to 8,129.07, 12,193.61 and 2,285.68

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Solution

The fourth proportional to 8,129.07, 12,193.61 and 2,285.68 is: 3,428.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129.07 : 12,193.61 = 2,285.68 : x
  2. Step 2: Convert to fraction form
    8,129.07/12,193.61 = 2,285.68/x
  3. Step 3: Cross multiply
    8,129.07x = 12,193.61 × 2,285.68
  4. Step 4: Simplify right side
    8,129.07x = 27,870,648.59
  5. Step 5: Solve for x
    x = 27,870,648.59/8,129.07
  6. Step 6: Final answer
    x = 3,428.52

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Similar ratio
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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.