Home / 8,154.11-12,231.18-2,310.77

Finding the Fourth Proportional to 8,154.11, 12,231.18 and 2,310.77

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Solution

The fourth proportional to 8,154.11, 12,231.18 and 2,310.77 is: 3,466.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.11 : 12,231.18 = 2,310.77 : x
  2. Step 2: Convert to fraction form
    8,154.11/12,231.18 = 2,310.77/x
  3. Step 3: Cross multiply
    8,154.11x = 12,231.18 × 2,310.77
  4. Step 4: Simplify right side
    8,154.11x = 28,263,474.39
  5. Step 5: Solve for x
    x = 28,263,474.39/8,154.11
  6. Step 6: Final answer
    x = 3,466.16

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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.