Home / 8,310.35-12,465.69-2,763.74

Finding the Fourth Proportional to 8,310.35, 12,465.69 and 2,763.74

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Solution

The fourth proportional to 8,310.35, 12,465.69 and 2,763.74 is: 4,145.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.35 : 12,465.69 = 2,763.74 : x
  2. Step 2: Convert to fraction form
    8,310.35/12,465.69 = 2,763.74/x
  3. Step 3: Cross multiply
    8,310.35x = 12,465.69 × 2,763.74
  4. Step 4: Simplify right side
    8,310.35x = 34,451,926.08
  5. Step 5: Solve for x
    x = 34,451,926.08/8,310.35
  6. Step 6: Final answer
    x = 4,145.66

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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.