Home / 6,766.20-10,138.32-3,474.72

Finding the Fourth Proportional to 6,766.20, 10,138.32 and 3,474.72

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Solution

The fourth proportional to 6,766.20, 10,138.32 and 3,474.72 is: 5,206.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,766.20 : 10,138.32 = 3,474.72 : x
  2. Step 2: Convert to fraction form
    6,766.20/10,138.32 = 3,474.72/x
  3. Step 3: Cross multiply
    6,766.20x = 10,138.32 × 3,474.72
  4. Step 4: Simplify right side
    6,766.20x = 35,227,823.27
  5. Step 5: Solve for x
    x = 35,227,823.27/6,766.20
  6. Step 6: Final answer
    x = 5,206.44

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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.