Home / 8,091.12-12,136.68-4,625.94

Finding the Fourth Proportional to 8,091.12, 12,136.68 and 4,625.94

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Solution

The fourth proportional to 8,091.12, 12,136.68 and 4,625.94 is: 6,938.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.12 : 12,136.68 = 4,625.94 : x
  2. Step 2: Convert to fraction form
    8,091.12/12,136.68 = 4,625.94/x
  3. Step 3: Cross multiply
    8,091.12x = 12,136.68 × 4,625.94
  4. Step 4: Simplify right side
    8,091.12x = 56,143,530.35
  5. Step 5: Solve for x
    x = 56,143,530.35/8,091.12
  6. Step 6: Final answer
    x = 6,938.91

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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.