Home / 8,961.39-12,366.86-4,928.38

Finding the Fourth Proportional to 8,961.39, 12,366.86 and 4,928.38

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Solution

The fourth proportional to 8,961.39, 12,366.86 and 4,928.38 is: 6,801.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.39 : 12,366.86 = 4,928.38 : x
  2. Step 2: Convert to fraction form
    8,961.39/12,366.86 = 4,928.38/x
  3. Step 3: Cross multiply
    8,961.39x = 12,366.86 × 4,928.38
  4. Step 4: Simplify right side
    8,961.39x = 60,948,560.84
  5. Step 5: Solve for x
    x = 60,948,560.84/8,961.39
  6. Step 6: Final answer
    x = 6,801.24

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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.