Home / 8,961.33-12,365.97-4,981.91

Finding the Fourth Proportional to 8,961.33, 12,365.97 and 4,981.91

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Solution

The fourth proportional to 8,961.33, 12,365.97 and 4,981.91 is: 6,874.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.33 : 12,365.97 = 4,981.91 : x
  2. Step 2: Convert to fraction form
    8,961.33/12,365.97 = 4,981.91/x
  3. Step 3: Cross multiply
    8,961.33x = 12,365.97 × 4,981.91
  4. Step 4: Simplify right side
    8,961.33x = 61,606,069.09
  5. Step 5: Solve for x
    x = 61,606,069.09/8,961.33
  6. Step 6: Final answer
    x = 6,874.65

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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.