Home / 5,620.70-8,423.76-3,769.04

Finding the Fourth Proportional to 5,620.70, 8,423.76 and 3,769.04

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Solution

The fourth proportional to 5,620.70, 8,423.76 and 3,769.04 is: 5,648.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.70 : 8,423.76 = 3,769.04 : x
  2. Step 2: Convert to fraction form
    5,620.70/8,423.76 = 3,769.04/x
  3. Step 3: Cross multiply
    5,620.70x = 8,423.76 × 3,769.04
  4. Step 4: Simplify right side
    5,620.70x = 31,749,488.39
  5. Step 5: Solve for x
    x = 31,749,488.39/5,620.70
  6. Step 6: Final answer
    x = 5,648.67

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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.