Home / 8,206.58-12,310.04-2,659.91

Finding the Fourth Proportional to 8,206.58, 12,310.04 and 2,659.91

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Solution

The fourth proportional to 8,206.58, 12,310.04 and 2,659.91 is: 3,989.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206.58 : 12,310.04 = 2,659.91 : x
  2. Step 2: Convert to fraction form
    8,206.58/12,310.04 = 2,659.91/x
  3. Step 3: Cross multiply
    8,206.58x = 12,310.04 × 2,659.91
  4. Step 4: Simplify right side
    8,206.58x = 32,743,598.50
  5. Step 5: Solve for x
    x = 32,743,598.50/8,206.58
  6. Step 6: Final answer
    x = 3,989.92

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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.