Home / 8,127.92-12,191.87-2,933.80

Finding the Fourth Proportional to 8,127.92, 12,191.87 and 2,933.80

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Solution

The fourth proportional to 8,127.92, 12,191.87 and 2,933.80 is: 4,400.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.92 : 12,191.87 = 2,933.80 : x
  2. Step 2: Convert to fraction form
    8,127.92/12,191.87 = 2,933.80/x
  3. Step 3: Cross multiply
    8,127.92x = 12,191.87 × 2,933.80
  4. Step 4: Simplify right side
    8,127.92x = 35,768,508.21
  5. Step 5: Solve for x
    x = 35,768,508.21/8,127.92
  6. Step 6: Final answer
    x = 4,400.70

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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.