Home / 4,487.30-6,728.37-1,366.42

Finding the Fourth Proportional to 4,487.30, 6,728.37 and 1,366.42

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Solution

The fourth proportional to 4,487.30, 6,728.37 and 1,366.42 is: 2,048.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.30 : 6,728.37 = 1,366.42 : x
  2. Step 2: Convert to fraction form
    4,487.30/6,728.37 = 1,366.42/x
  3. Step 3: Cross multiply
    4,487.30x = 6,728.37 × 1,366.42
  4. Step 4: Simplify right side
    4,487.30x = 9,193,770.01
  5. Step 5: Solve for x
    x = 9,193,770.01/4,487.30
  6. Step 6: Final answer
    x = 2,048.84

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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.