Home / 8,108.06-11,189.13-4,382.06

Finding the Fourth Proportional to 8,108.06, 11,189.13 and 4,382.06

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Solution

The fourth proportional to 8,108.06, 11,189.13 and 4,382.06 is: 6,047.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.06 : 11,189.13 = 4,382.06 : x
  2. Step 2: Convert to fraction form
    8,108.06/11,189.13 = 4,382.06/x
  3. Step 3: Cross multiply
    8,108.06x = 11,189.13 × 4,382.06
  4. Step 4: Simplify right side
    8,108.06x = 49,031,439.01
  5. Step 5: Solve for x
    x = 49,031,439.01/8,108.06
  6. Step 6: Final answer
    x = 6,047.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.