Home / 8,961.80-12,367.34-4,982.97

Finding the Fourth Proportional to 8,961.80, 12,367.34 and 4,982.97

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Solution

The fourth proportional to 8,961.80, 12,367.34 and 4,982.97 is: 6,876.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.80 : 12,367.34 = 4,982.97 : x
  2. Step 2: Convert to fraction form
    8,961.80/12,367.34 = 4,982.97/x
  3. Step 3: Cross multiply
    8,961.80x = 12,367.34 × 4,982.97
  4. Step 4: Simplify right side
    8,961.80x = 61,626,059.28
  5. Step 5: Solve for x
    x = 61,626,059.28/8,961.80
  6. Step 6: Final answer
    x = 6,876.53

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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.