Home / 8,108.02-11,192.34-6,119.07

Finding the Fourth Proportional to 8,108.02, 11,192.34 and 6,119.07

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Solution

The fourth proportional to 8,108.02, 11,192.34 and 6,119.07 is: 8,446.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.02 : 11,192.34 = 6,119.07 : x
  2. Step 2: Convert to fraction form
    8,108.02/11,192.34 = 6,119.07/x
  3. Step 3: Cross multiply
    8,108.02x = 11,192.34 × 6,119.07
  4. Step 4: Simplify right side
    8,108.02x = 68,486,711.92
  5. Step 5: Solve for x
    x = 68,486,711.92/8,108.02
  6. Step 6: Final answer
    x = 8,446.79

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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.