Home / 4,276.64-6,420.93-2,198.41

Finding the Fourth Proportional to 4,276.64, 6,420.93 and 2,198.41

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Solution

The fourth proportional to 4,276.64, 6,420.93 and 2,198.41 is: 3,300.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.64 : 6,420.93 = 2,198.41 : x
  2. Step 2: Convert to fraction form
    4,276.64/6,420.93 = 2,198.41/x
  3. Step 3: Cross multiply
    4,276.64x = 6,420.93 × 2,198.41
  4. Step 4: Simplify right side
    4,276.64x = 14,115,793.62
  5. Step 5: Solve for x
    x = 14,115,793.62/4,276.64
  6. Step 6: Final answer
    x = 3,300.67

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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.