Home / 5,204.57-7,180.30-3,211.67

Finding the Fourth Proportional to 5,204.57, 7,180.30 and 3,211.67

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Solution

The fourth proportional to 5,204.57, 7,180.30 and 3,211.67 is: 4,430.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.57 : 7,180.30 = 3,211.67 : x
  2. Step 2: Convert to fraction form
    5,204.57/7,180.30 = 3,211.67/x
  3. Step 3: Cross multiply
    5,204.57x = 7,180.30 × 3,211.67
  4. Step 4: Simplify right side
    5,204.57x = 23,060,754.10
  5. Step 5: Solve for x
    x = 23,060,754.10/5,204.57
  6. Step 6: Final answer
    x = 4,430.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.