Home / 7,850.96-11,778.50-2,586.77

Finding the Fourth Proportional to 7,850.96, 11,778.50 and 2,586.77

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Solution

The fourth proportional to 7,850.96, 11,778.50 and 2,586.77 is: 3,880.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.96 : 11,778.50 = 2,586.77 : x
  2. Step 2: Convert to fraction form
    7,850.96/11,778.50 = 2,586.77/x
  3. Step 3: Cross multiply
    7,850.96x = 11,778.50 × 2,586.77
  4. Step 4: Simplify right side
    7,850.96x = 30,468,270.45
  5. Step 5: Solve for x
    x = 30,468,270.45/7,850.96
  6. Step 6: Final answer
    x = 3,880.83

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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.