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Finding the Fourth Proportional to 8,599.10, 12,900.09 and 2,755.10

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Solution

The fourth proportional to 8,599.10, 12,900.09 and 2,755.10 is: 4,133.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.10 : 12,900.09 = 2,755.10 : x
  2. Step 2: Convert to fraction form
    8,599.10/12,900.09 = 2,755.10/x
  3. Step 3: Cross multiply
    8,599.10x = 12,900.09 × 2,755.10
  4. Step 4: Simplify right side
    8,599.10x = 35,541,037.96
  5. Step 5: Solve for x
    x = 35,541,037.96/8,599.10
  6. Step 6: Final answer
    x = 4,133.11

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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.