Home / 5,324.98-7,989.19-3,479.70

Finding the Fourth Proportional to 5,324.98, 7,989.19 and 3,479.70

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Solution

The fourth proportional to 5,324.98, 7,989.19 and 3,479.70 is: 5,220.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324.98 : 7,989.19 = 3,479.70 : x
  2. Step 2: Convert to fraction form
    5,324.98/7,989.19 = 3,479.70/x
  3. Step 3: Cross multiply
    5,324.98x = 7,989.19 × 3,479.70
  4. Step 4: Simplify right side
    5,324.98x = 27,799,984.44
  5. Step 5: Solve for x
    x = 27,799,984.44/5,324.98
  6. Step 6: Final answer
    x = 5,220.67

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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.