Home / 8,110.46-12,160.78-3,946.28

Finding the Fourth Proportional to 8,110.46, 12,160.78 and 3,946.28

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Solution

The fourth proportional to 8,110.46, 12,160.78 and 3,946.28 is: 5,917.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.46 : 12,160.78 = 3,946.28 : x
  2. Step 2: Convert to fraction form
    8,110.46/12,160.78 = 3,946.28/x
  3. Step 3: Cross multiply
    8,110.46x = 12,160.78 × 3,946.28
  4. Step 4: Simplify right side
    8,110.46x = 47,989,772.23
  5. Step 5: Solve for x
    x = 47,989,772.23/8,110.46
  6. Step 6: Final answer
    x = 5,917.02

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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.