Home / 4,262.10-6,381.30-2,177.60

Finding the Fourth Proportional to 4,262.10, 6,381.30 and 2,177.60

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Solution

The fourth proportional to 4,262.10, 6,381.30 and 2,177.60 is: 3,260.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.10 : 6,381.30 = 2,177.60 : x
  2. Step 2: Convert to fraction form
    4,262.10/6,381.30 = 2,177.60/x
  3. Step 3: Cross multiply
    4,262.10x = 6,381.30 × 2,177.60
  4. Step 4: Simplify right side
    4,262.10x = 13,895,918.88
  5. Step 5: Solve for x
    x = 13,895,918.88/4,262.10
  6. Step 6: Final answer
    x = 3,260.35

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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.