Home / 8,106.06-11,186.37-4,380.06

Finding the Fourth Proportional to 8,106.06, 11,186.37 and 4,380.06

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Solution

The fourth proportional to 8,106.06, 11,186.37 and 4,380.06 is: 6,044.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.06 : 11,186.37 = 4,380.06 : x
  2. Step 2: Convert to fraction form
    8,106.06/11,186.37 = 4,380.06/x
  3. Step 3: Cross multiply
    8,106.06x = 11,186.37 × 4,380.06
  4. Step 4: Simplify right side
    8,106.06x = 48,996,971.78
  5. Step 5: Solve for x
    x = 48,996,971.78/8,106.06
  6. Step 6: Final answer
    x = 6,044.49

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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.