Home / 5,375.76-7,418.41-3,018.66

Finding the Fourth Proportional to 5,375.76, 7,418.41 and 3,018.66

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Solution

The fourth proportional to 5,375.76, 7,418.41 and 3,018.66 is: 4,165.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.76 : 7,418.41 = 3,018.66 : x
  2. Step 2: Convert to fraction form
    5,375.76/7,418.41 = 3,018.66/x
  3. Step 3: Cross multiply
    5,375.76x = 7,418.41 × 3,018.66
  4. Step 4: Simplify right side
    5,375.76x = 22,393,657.53
  5. Step 5: Solve for x
    x = 22,393,657.53/5,375.76
  6. Step 6: Final answer
    x = 4,165.67

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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.