Home / 8,516.12-12,774.78-2,276.12

Finding the Fourth Proportional to 8,516.12, 12,774.78 and 2,276.12

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Solution

The fourth proportional to 8,516.12, 12,774.78 and 2,276.12 is: 3,414.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516.12 : 12,774.78 = 2,276.12 : x
  2. Step 2: Convert to fraction form
    8,516.12/12,774.78 = 2,276.12/x
  3. Step 3: Cross multiply
    8,516.12x = 12,774.78 × 2,276.12
  4. Step 4: Simplify right side
    8,516.12x = 29,076,932.25
  5. Step 5: Solve for x
    x = 29,076,932.25/8,516.12
  6. Step 6: Final answer
    x = 3,414.34

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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.