Home / 8,132.15-12,190.92-2,936.81

Finding the Fourth Proportional to 8,132.15, 12,190.92 and 2,936.81

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Solution

The fourth proportional to 8,132.15, 12,190.92 and 2,936.81 is: 4,402.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.15 : 12,190.92 = 2,936.81 : x
  2. Step 2: Convert to fraction form
    8,132.15/12,190.92 = 2,936.81/x
  3. Step 3: Cross multiply
    8,132.15x = 12,190.92 × 2,936.81
  4. Step 4: Simplify right side
    8,132.15x = 35,802,415.77
  5. Step 5: Solve for x
    x = 35,802,415.77/8,132.15
  6. Step 6: Final answer
    x = 4,402.58

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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.