Home / 5,419.02-8,135.00-3,228.78

Finding the Fourth Proportional to 5,419.02, 8,135.00 and 3,228.78

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Solution

The fourth proportional to 5,419.02, 8,135.00 and 3,228.78 is: 4,847.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.02 : 8,135.00 = 3,228.78 : x
  2. Step 2: Convert to fraction form
    5,419.02/8,135.00 = 3,228.78/x
  3. Step 3: Cross multiply
    5,419.02x = 8,135.00 × 3,228.78
  4. Step 4: Simplify right side
    5,419.02x = 26,266,133.37
  5. Step 5: Solve for x
    x = 26,266,133.37/5,419.02
  6. Step 6: Final answer
    x = 4,847.03

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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.