Home / 8,305.68-12,451.96-4,143.55

Finding the Fourth Proportional to 8,305.68, 12,451.96 and 4,143.55

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Solution

The fourth proportional to 8,305.68, 12,451.96 and 4,143.55 is: 6,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.68 : 12,451.96 = 4,143.55 : x
  2. Step 2: Convert to fraction form
    8,305.68/12,451.96 = 4,143.55/x
  3. Step 3: Cross multiply
    8,305.68x = 12,451.96 × 4,143.55
  4. Step 4: Simplify right side
    8,305.68x = 51,595,318.86
  5. Step 5: Solve for x
    x = 51,595,318.86/8,305.68
  6. Step 6: Final answer
    x = 6,212.05

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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.