Home / 8,056.85-12,084.78-4,790.73

Finding the Fourth Proportional to 8,056.85, 12,084.78 and 4,790.73

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Solution

The fourth proportional to 8,056.85, 12,084.78 and 4,790.73 is: 7,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,056.85 : 12,084.78 = 4,790.73 : x
  2. Step 2: Convert to fraction form
    8,056.85/12,084.78 = 4,790.73/x
  3. Step 3: Cross multiply
    8,056.85x = 12,084.78 × 4,790.73
  4. Step 4: Simplify right side
    8,056.85x = 57,894,857.67
  5. Step 5: Solve for x
    x = 57,894,857.67/8,056.85
  6. Step 6: Final answer
    x = 7,185.80

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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.