Home / 8,206.22-12,306.60-2,658.08

Finding the Fourth Proportional to 8,206.22, 12,306.60 and 2,658.08

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Solution

The fourth proportional to 8,206.22, 12,306.60 and 2,658.08 is: 3,986.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206.22 : 12,306.60 = 2,658.08 : x
  2. Step 2: Convert to fraction form
    8,206.22/12,306.60 = 2,658.08/x
  3. Step 3: Cross multiply
    8,206.22x = 12,306.60 × 2,658.08
  4. Step 4: Simplify right side
    8,206.22x = 32,711,927.33
  5. Step 5: Solve for x
    x = 32,711,927.33/8,206.22
  6. Step 6: Final answer
    x = 3,986.24

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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.