Home / 8,275.92-12,396.04-3,886.80

Finding the Fourth Proportional to 8,275.92, 12,396.04 and 3,886.80

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Solution

The fourth proportional to 8,275.92, 12,396.04 and 3,886.80 is: 5,821.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.92 : 12,396.04 = 3,886.80 : x
  2. Step 2: Convert to fraction form
    8,275.92/12,396.04 = 3,886.80/x
  3. Step 3: Cross multiply
    8,275.92x = 12,396.04 × 3,886.80
  4. Step 4: Simplify right side
    8,275.92x = 48,180,928.27
  5. Step 5: Solve for x
    x = 48,180,928.27/8,275.92
  6. Step 6: Final answer
    x = 5,821.82

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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.