Home / 8,614.92-12,905.55-4,105.56

Finding the Fourth Proportional to 8,614.92, 12,905.55 and 4,105.56

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Solution

The fourth proportional to 8,614.92, 12,905.55 and 4,105.56 is: 6,150.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,614.92 : 12,905.55 = 4,105.56 : x
  2. Step 2: Convert to fraction form
    8,614.92/12,905.55 = 4,105.56/x
  3. Step 3: Cross multiply
    8,614.92x = 12,905.55 × 4,105.56
  4. Step 4: Simplify right side
    8,614.92x = 52,984,509.86
  5. Step 5: Solve for x
    x = 52,984,509.86/8,614.92
  6. Step 6: Final answer
    x = 6,150.32

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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.