Home / 8,119.62-12,183.70-5,762.92

Finding the Fourth Proportional to 8,119.62, 12,183.70 and 5,762.92

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Solution

The fourth proportional to 8,119.62, 12,183.70 and 5,762.92 is: 8,647.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.62 : 12,183.70 = 5,762.92 : x
  2. Step 2: Convert to fraction form
    8,119.62/12,183.70 = 5,762.92/x
  3. Step 3: Cross multiply
    8,119.62x = 12,183.70 × 5,762.92
  4. Step 4: Simplify right side
    8,119.62x = 70,213,688.40
  5. Step 5: Solve for x
    x = 70,213,688.40/8,119.62
  6. Step 6: Final answer
    x = 8,647.41

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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.