Home / 4,540.80-6,808.50-1,419.96

Finding the Fourth Proportional to 4,540.80, 6,808.50 and 1,419.96

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Solution

The fourth proportional to 4,540.80, 6,808.50 and 1,419.96 is: 2,129.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,540.80 : 6,808.50 = 1,419.96 : x
  2. Step 2: Convert to fraction form
    4,540.80/6,808.50 = 1,419.96/x
  3. Step 3: Cross multiply
    4,540.80x = 6,808.50 × 1,419.96
  4. Step 4: Simplify right side
    4,540.80x = 9,667,797.66
  5. Step 5: Solve for x
    x = 9,667,797.66/4,540.80
  6. Step 6: Final answer
    x = 2,129.10

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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.