Home / 6,928.20-10,387.44-3,225.42

Finding the Fourth Proportional to 6,928.20, 10,387.44 and 3,225.42

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Solution

The fourth proportional to 6,928.20, 10,387.44 and 3,225.42 is: 4,835.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.20 : 10,387.44 = 3,225.42 : x
  2. Step 2: Convert to fraction form
    6,928.20/10,387.44 = 3,225.42/x
  3. Step 3: Cross multiply
    6,928.20x = 10,387.44 × 3,225.42
  4. Step 4: Simplify right side
    6,928.20x = 33,503,856.72
  5. Step 5: Solve for x
    x = 33,503,856.72/6,928.20
  6. Step 6: Final answer
    x = 4,835.87

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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.