Home / 8,127.30-12,190.96-2,933.18

Finding the Fourth Proportional to 8,127.30, 12,190.96 and 2,933.18

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Solution

The fourth proportional to 8,127.30, 12,190.96 and 2,933.18 is: 4,399.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.30 : 12,190.96 = 2,933.18 : x
  2. Step 2: Convert to fraction form
    8,127.30/12,190.96 = 2,933.18/x
  3. Step 3: Cross multiply
    8,127.30x = 12,190.96 × 2,933.18
  4. Step 4: Simplify right side
    8,127.30x = 35,758,280.05
  5. Step 5: Solve for x
    x = 35,758,280.05/8,127.30
  6. Step 6: Final answer
    x = 4,399.77

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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.