Home / 4,487.20-6,730.81-1,200.29

Finding the Fourth Proportional to 4,487.20, 6,730.81 and 1,200.29

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Solution

The fourth proportional to 4,487.20, 6,730.81 and 1,200.29 is: 1,800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.20 : 6,730.81 = 1,200.29 : x
  2. Step 2: Convert to fraction form
    4,487.20/6,730.81 = 1,200.29/x
  3. Step 3: Cross multiply
    4,487.20x = 6,730.81 × 1,200.29
  4. Step 4: Simplify right side
    4,487.20x = 8,078,887.28
  5. Step 5: Solve for x
    x = 8,078,887.28/4,487.20
  6. Step 6: Final answer
    x = 1,800.43

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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.