Home / 8,961.30-12,366.68-4,928.22

Finding the Fourth Proportional to 8,961.30, 12,366.68 and 4,928.22

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Solution

The fourth proportional to 8,961.30, 12,366.68 and 4,928.22 is: 6,800.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.30 : 12,366.68 = 4,928.22 : x
  2. Step 2: Convert to fraction form
    8,961.30/12,366.68 = 4,928.22/x
  3. Step 3: Cross multiply
    8,961.30x = 12,366.68 × 4,928.22
  4. Step 4: Simplify right side
    8,961.30x = 60,945,741.44
  5. Step 5: Solve for x
    x = 60,945,741.44/8,961.30
  6. Step 6: Final answer
    x = 6,800.99

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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.