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Finding the Fourth Proportional to 8,080.98, 12,114.12 and 2,885.64

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Solution

The fourth proportional to 8,080.98, 12,114.12 and 2,885.64 is: 4,325.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.98 : 12,114.12 = 2,885.64 : x
  2. Step 2: Convert to fraction form
    8,080.98/12,114.12 = 2,885.64/x
  3. Step 3: Cross multiply
    8,080.98x = 12,114.12 × 2,885.64
  4. Step 4: Simplify right side
    8,080.98x = 34,956,989.24
  5. Step 5: Solve for x
    x = 34,956,989.24/8,080.98
  6. Step 6: Final answer
    x = 4,325.84

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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.