Home / 5,580.37-8,369.88-2,660.73

Finding the Fourth Proportional to 5,580.37, 8,369.88 and 2,660.73

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Solution

The fourth proportional to 5,580.37, 8,369.88 and 2,660.73 is: 3,990.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.37 : 8,369.88 = 2,660.73 : x
  2. Step 2: Convert to fraction form
    5,580.37/8,369.88 = 2,660.73/x
  3. Step 3: Cross multiply
    5,580.37x = 8,369.88 × 2,660.73
  4. Step 4: Simplify right side
    5,580.37x = 22,269,990.81
  5. Step 5: Solve for x
    x = 22,269,990.81/5,580.37
  6. Step 6: Final answer
    x = 3,990.77

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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.