Home / 8,112.46-12,166.26-4,214.74

Finding the Fourth Proportional to 8,112.46, 12,166.26 and 4,214.74

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Solution

The fourth proportional to 8,112.46, 12,166.26 and 4,214.74 is: 6,320.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.46 : 12,166.26 = 4,214.74 : x
  2. Step 2: Convert to fraction form
    8,112.46/12,166.26 = 4,214.74/x
  3. Step 3: Cross multiply
    8,112.46x = 12,166.26 × 4,214.74
  4. Step 4: Simplify right side
    8,112.46x = 51,277,622.67
  5. Step 5: Solve for x
    x = 51,277,622.67/8,112.46
  6. Step 6: Final answer
    x = 6,320.85

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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.