Home / 8,961.88-12,367.29-4,982.89

Finding the Fourth Proportional to 8,961.88, 12,367.29 and 4,982.89

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Solution

The fourth proportional to 8,961.88, 12,367.29 and 4,982.89 is: 6,876.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.88 : 12,367.29 = 4,982.89 : x
  2. Step 2: Convert to fraction form
    8,961.88/12,367.29 = 4,982.89/x
  3. Step 3: Cross multiply
    8,961.88x = 12,367.29 × 4,982.89
  4. Step 4: Simplify right side
    8,961.88x = 61,624,845.67
  5. Step 5: Solve for x
    x = 61,624,845.67/8,961.88
  6. Step 6: Final answer
    x = 6,876.33

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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.