Home / 8,434.14-12,651.22-2,193.63

Finding the Fourth Proportional to 8,434.14, 12,651.22 and 2,193.63

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Solution

The fourth proportional to 8,434.14, 12,651.22 and 2,193.63 is: 3,290.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.14 : 12,651.22 = 2,193.63 : x
  2. Step 2: Convert to fraction form
    8,434.14/12,651.22 = 2,193.63/x
  3. Step 3: Cross multiply
    8,434.14x = 12,651.22 × 2,193.63
  4. Step 4: Simplify right side
    8,434.14x = 27,752,095.73
  5. Step 5: Solve for x
    x = 27,752,095.73/8,434.14
  6. Step 6: Final answer
    x = 3,290.45

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Half scale
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Double scale
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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.