Home / 8,961.89-12,367.55-4,928.88

Finding the Fourth Proportional to 8,961.89, 12,367.55 and 4,928.88

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Solution

The fourth proportional to 8,961.89, 12,367.55 and 4,928.88 is: 6,801.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.89 : 12,367.55 = 4,928.88 : x
  2. Step 2: Convert to fraction form
    8,961.89/12,367.55 = 4,928.88/x
  3. Step 3: Cross multiply
    8,961.89x = 12,367.55 × 4,928.88
  4. Step 4: Simplify right side
    8,961.89x = 60,958,169.84
  5. Step 5: Solve for x
    x = 60,958,169.84/8,961.89
  6. Step 6: Final answer
    x = 6,801.93

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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.