Home / 4,487.45-6,730.70-1,200.88

Finding the Fourth Proportional to 4,487.45, 6,730.70 and 1,200.88

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Solution

The fourth proportional to 4,487.45, 6,730.70 and 1,200.88 is: 1,801.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.45 : 6,730.70 = 1,200.88 : x
  2. Step 2: Convert to fraction form
    4,487.45/6,730.70 = 1,200.88/x
  3. Step 3: Cross multiply
    4,487.45x = 6,730.70 × 1,200.88
  4. Step 4: Simplify right side
    4,487.45x = 8,082,734.32
  5. Step 5: Solve for x
    x = 8,082,734.32/4,487.45
  6. Step 6: Final answer
    x = 1,801.19

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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.