Home / 8,369.20-12,544.26-3,980.44

Finding the Fourth Proportional to 8,369.20, 12,544.26 and 3,980.44

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Solution

The fourth proportional to 8,369.20, 12,544.26 and 3,980.44 is: 5,966.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.20 : 12,544.26 = 3,980.44 : x
  2. Step 2: Convert to fraction form
    8,369.20/12,544.26 = 3,980.44/x
  3. Step 3: Cross multiply
    8,369.20x = 12,544.26 × 3,980.44
  4. Step 4: Simplify right side
    8,369.20x = 49,931,674.27
  5. Step 5: Solve for x
    x = 49,931,674.27/8,369.20
  6. Step 6: Final answer
    x = 5,966.12

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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.