Home / 8,608.12-12,936.57-5,098.79

Finding the Fourth Proportional to 8,608.12, 12,936.57 and 5,098.79

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Solution

The fourth proportional to 8,608.12, 12,936.57 and 5,098.79 is: 7,662.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,608.12 : 12,936.57 = 5,098.79 : x
  2. Step 2: Convert to fraction form
    8,608.12/12,936.57 = 5,098.79/x
  3. Step 3: Cross multiply
    8,608.12x = 12,936.57 × 5,098.79
  4. Step 4: Simplify right side
    8,608.12x = 65,960,866.97
  5. Step 5: Solve for x
    x = 65,960,866.97/8,608.12
  6. Step 6: Final answer
    x = 7,662.64

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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.