Home / 4,520.21-6,784.36-3,784.43

Finding the Fourth Proportional to 4,520.21, 6,784.36 and 3,784.43

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Solution

The fourth proportional to 4,520.21, 6,784.36 and 3,784.43 is: 5,680.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.21 : 6,784.36 = 3,784.43 : x
  2. Step 2: Convert to fraction form
    4,520.21/6,784.36 = 3,784.43/x
  3. Step 3: Cross multiply
    4,520.21x = 6,784.36 × 3,784.43
  4. Step 4: Simplify right side
    4,520.21x = 25,674,943.01
  5. Step 5: Solve for x
    x = 25,674,943.01/4,520.21
  6. Step 6: Final answer
    x = 5,680.04

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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.