Home / 8,192.85-12,288.33-2,270.18

Finding the Fourth Proportional to 8,192.85, 12,288.33 and 2,270.18

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Solution

The fourth proportional to 8,192.85, 12,288.33 and 2,270.18 is: 3,405.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,192.85 : 12,288.33 = 2,270.18 : x
  2. Step 2: Convert to fraction form
    8,192.85/12,288.33 = 2,270.18/x
  3. Step 3: Cross multiply
    8,192.85x = 12,288.33 × 2,270.18
  4. Step 4: Simplify right side
    8,192.85x = 27,896,659.56
  5. Step 5: Solve for x
    x = 27,896,659.56/8,192.85
  6. Step 6: Final answer
    x = 3,405.00

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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.