Home / 4,214.21-6,321.46-1,581.45

Finding the Fourth Proportional to 4,214.21, 6,321.46 and 1,581.45

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Solution

The fourth proportional to 4,214.21, 6,321.46 and 1,581.45 is: 2,372.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214.21 : 6,321.46 = 1,581.45 : x
  2. Step 2: Convert to fraction form
    4,214.21/6,321.46 = 1,581.45/x
  3. Step 3: Cross multiply
    4,214.21x = 6,321.46 × 1,581.45
  4. Step 4: Simplify right side
    4,214.21x = 9,997,033.40
  5. Step 5: Solve for x
    x = 9,997,033.40/4,214.21
  6. Step 6: Final answer
    x = 2,372.22

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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.