Home / 4,254.74-6,381.11-1,622.54

Finding the Fourth Proportional to 4,254.74, 6,381.11 and 1,622.54

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Solution

The fourth proportional to 4,254.74, 6,381.11 and 1,622.54 is: 2,433.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.74 : 6,381.11 = 1,622.54 : x
  2. Step 2: Convert to fraction form
    4,254.74/6,381.11 = 1,622.54/x
  3. Step 3: Cross multiply
    4,254.74x = 6,381.11 × 1,622.54
  4. Step 4: Simplify right side
    4,254.74x = 10,353,566.20
  5. Step 5: Solve for x
    x = 10,353,566.20/4,254.74
  6. Step 6: Final answer
    x = 2,433.42

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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.