Home / 8,190.60-12,287.73-4,490.93

Finding the Fourth Proportional to 8,190.60, 12,287.73 and 4,490.93

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Solution

The fourth proportional to 8,190.60, 12,287.73 and 4,490.93 is: 6,737.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.60 : 12,287.73 = 4,490.93 : x
  2. Step 2: Convert to fraction form
    8,190.60/12,287.73 = 4,490.93/x
  3. Step 3: Cross multiply
    8,190.60x = 12,287.73 × 4,490.93
  4. Step 4: Simplify right side
    8,190.60x = 55,183,273.85
  5. Step 5: Solve for x
    x = 55,183,273.85/8,190.60
  6. Step 6: Final answer
    x = 6,737.39

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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.