Home / 7,680.30-11,517.57-3,295.50

Finding the Fourth Proportional to 7,680.30, 11,517.57 and 3,295.50

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Solution

The fourth proportional to 7,680.30, 11,517.57 and 3,295.50 is: 4,942.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.30 : 11,517.57 = 3,295.50 : x
  2. Step 2: Convert to fraction form
    7,680.30/11,517.57 = 3,295.50/x
  3. Step 3: Cross multiply
    7,680.30x = 11,517.57 × 3,295.50
  4. Step 4: Simplify right side
    7,680.30x = 37,956,151.94
  5. Step 5: Solve for x
    x = 37,956,151.94/7,680.30
  6. Step 6: Final answer
    x = 4,942.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.