Home / 5,580.04-8,371.46-3,939.79

Finding the Fourth Proportional to 5,580.04, 8,371.46 and 3,939.79

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Solution

The fourth proportional to 5,580.04, 8,371.46 and 3,939.79 is: 5,910.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.04 : 8,371.46 = 3,939.79 : x
  2. Step 2: Convert to fraction form
    5,580.04/8,371.46 = 3,939.79/x
  3. Step 3: Cross multiply
    5,580.04x = 8,371.46 × 3,939.79
  4. Step 4: Simplify right side
    5,580.04x = 32,981,794.39
  5. Step 5: Solve for x
    x = 32,981,794.39/5,580.04
  6. Step 6: Final answer
    x = 5,910.67

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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.