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Finding the Fourth Proportional to 6,162, 8,480.88 and 5,091.18

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Solution

The fourth proportional to 6,162, 8,480.88 and 5,091.18 is: 7,007.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,162 : 8,480.88 = 5,091.18 : x
  2. Step 2: Convert to fraction form
    6,162/8,480.88 = 5,091.18/x
  3. Step 3: Cross multiply
    6,162x = 8,480.88 × 5,091.18
  4. Step 4: Simplify right side
    6,162x = 43,177,686.64
  5. Step 5: Solve for x
    x = 43,177,686.64/6,162
  6. Step 6: Final answer
    x = 7,007.09

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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.