Home / 7,928.65-11,893.08-3,769.08

Finding the Fourth Proportional to 7,928.65, 11,893.08 and 3,769.08

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Solution

The fourth proportional to 7,928.65, 11,893.08 and 3,769.08 is: 5,653.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.65 : 11,893.08 = 3,769.08 : x
  2. Step 2: Convert to fraction form
    7,928.65/11,893.08 = 3,769.08/x
  3. Step 3: Cross multiply
    7,928.65x = 11,893.08 × 3,769.08
  4. Step 4: Simplify right side
    7,928.65x = 44,825,969.97
  5. Step 5: Solve for x
    x = 44,825,969.97/7,928.65
  6. Step 6: Final answer
    x = 5,653.67

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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.