Home / 8,162.20-12,242.86-4,786.87

Finding the Fourth Proportional to 8,162.20, 12,242.86 and 4,786.87

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Solution

The fourth proportional to 8,162.20, 12,242.86 and 4,786.87 is: 7,180.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.20 : 12,242.86 = 4,786.87 : x
  2. Step 2: Convert to fraction form
    8,162.20/12,242.86 = 4,786.87/x
  3. Step 3: Cross multiply
    8,162.20x = 12,242.86 × 4,786.87
  4. Step 4: Simplify right side
    8,162.20x = 58,604,979.25
  5. Step 5: Solve for x
    x = 58,604,979.25/8,162.20
  6. Step 6: Final answer
    x = 7,180.05

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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.