Home / 8,462.46-12,690.19-3,196.58

Finding the Fourth Proportional to 8,462.46, 12,690.19 and 3,196.58

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Solution

The fourth proportional to 8,462.46, 12,690.19 and 3,196.58 is: 4,793.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,462.46 : 12,690.19 = 3,196.58 : x
  2. Step 2: Convert to fraction form
    8,462.46/12,690.19 = 3,196.58/x
  3. Step 3: Cross multiply
    8,462.46x = 12,690.19 × 3,196.58
  4. Step 4: Simplify right side
    8,462.46x = 40,565,136.11
  5. Step 5: Solve for x
    x = 40,565,136.11/8,462.46
  6. Step 6: Final answer
    x = 4,793.54

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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.