Home / 8,146.53-12,217.35-4,248.81

Finding the Fourth Proportional to 8,146.53, 12,217.35 and 4,248.81

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Solution

The fourth proportional to 8,146.53, 12,217.35 and 4,248.81 is: 6,371.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.53 : 12,217.35 = 4,248.81 : x
  2. Step 2: Convert to fraction form
    8,146.53/12,217.35 = 4,248.81/x
  3. Step 3: Cross multiply
    8,146.53x = 12,217.35 × 4,248.81
  4. Step 4: Simplify right side
    8,146.53x = 51,909,198.85
  5. Step 5: Solve for x
    x = 51,909,198.85/8,146.53
  6. Step 6: Final answer
    x = 6,371.94

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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.