Home / 8,119.24-12,164.46-5,512.84

Finding the Fourth Proportional to 8,119.24, 12,164.46 and 5,512.84

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Solution

The fourth proportional to 8,119.24, 12,164.46 and 5,512.84 is: 8,259.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.24 : 12,164.46 = 5,512.84 : x
  2. Step 2: Convert to fraction form
    8,119.24/12,164.46 = 5,512.84/x
  3. Step 3: Cross multiply
    8,119.24x = 12,164.46 × 5,512.84
  4. Step 4: Simplify right side
    8,119.24x = 67,060,721.67
  5. Step 5: Solve for x
    x = 67,060,721.67/8,119.24
  6. Step 6: Final answer
    x = 8,259.48

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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.