Home / 8,759.18-12,087.94-4,982.90

Finding the Fourth Proportional to 8,759.18, 12,087.94 and 4,982.90

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Solution

The fourth proportional to 8,759.18, 12,087.94 and 4,982.90 is: 6,876.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.18 : 12,087.94 = 4,982.90 : x
  2. Step 2: Convert to fraction form
    8,759.18/12,087.94 = 4,982.90/x
  3. Step 3: Cross multiply
    8,759.18x = 12,087.94 × 4,982.90
  4. Step 4: Simplify right side
    8,759.18x = 60,232,923.33
  5. Step 5: Solve for x
    x = 60,232,923.33/8,759.18
  6. Step 6: Final answer
    x = 6,876.55

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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.