Home / 8,296.32-12,439.38-4,074.21

Finding the Fourth Proportional to 8,296.32, 12,439.38 and 4,074.21

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Solution

The fourth proportional to 8,296.32, 12,439.38 and 4,074.21 is: 6,108.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,296.32 : 12,439.38 = 4,074.21 : x
  2. Step 2: Convert to fraction form
    8,296.32/12,439.38 = 4,074.21/x
  3. Step 3: Cross multiply
    8,296.32x = 12,439.38 × 4,074.21
  4. Step 4: Simplify right side
    8,296.32x = 50,680,584.46
  5. Step 5: Solve for x
    x = 50,680,584.46/8,296.32
  6. Step 6: Final answer
    x = 6,108.80

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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.