Home / 4,539.20-6,808.56-1,418.85

Finding the Fourth Proportional to 4,539.20, 6,808.56 and 1,418.85

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Solution

The fourth proportional to 4,539.20, 6,808.56 and 1,418.85 is: 2,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,539.20 : 6,808.56 = 1,418.85 : x
  2. Step 2: Convert to fraction form
    4,539.20/6,808.56 = 1,418.85/x
  3. Step 3: Cross multiply
    4,539.20x = 6,808.56 × 1,418.85
  4. Step 4: Simplify right side
    4,539.20x = 9,660,350.89
  5. Step 5: Solve for x
    x = 9,660,350.89/4,539.20
  6. Step 6: Final answer
    x = 2,128.20

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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.