Home / 7,919.67-10,928.68-4,382.67

Finding the Fourth Proportional to 7,919.67, 10,928.68 and 4,382.67

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Solution

The fourth proportional to 7,919.67, 10,928.68 and 4,382.67 is: 6,047.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.67 : 10,928.68 = 4,382.67 : x
  2. Step 2: Convert to fraction form
    7,919.67/10,928.68 = 4,382.67/x
  3. Step 3: Cross multiply
    7,919.67x = 10,928.68 × 4,382.67
  4. Step 4: Simplify right side
    7,919.67x = 47,896,797.98
  5. Step 5: Solve for x
    x = 47,896,797.98/7,919.67
  6. Step 6: Final answer
    x = 6,047.83

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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.