Home / 4,228.20-6,343.90-1,764.52

Finding the Fourth Proportional to 4,228.20, 6,343.90 and 1,764.52

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Solution

The fourth proportional to 4,228.20, 6,343.90 and 1,764.52 is: 2,647.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.20 : 6,343.90 = 1,764.52 : x
  2. Step 2: Convert to fraction form
    4,228.20/6,343.90 = 1,764.52/x
  3. Step 3: Cross multiply
    4,228.20x = 6,343.90 × 1,764.52
  4. Step 4: Simplify right side
    4,228.20x = 11,193,938.43
  5. Step 5: Solve for x
    x = 11,193,938.43/4,228.20
  6. Step 6: Final answer
    x = 2,647.45

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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.