Home / 5,216.40-7,816.50-3,365.96

Finding the Fourth Proportional to 5,216.40, 7,816.50 and 3,365.96

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Solution

The fourth proportional to 5,216.40, 7,816.50 and 3,365.96 is: 5,043.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.40 : 7,816.50 = 3,365.96 : x
  2. Step 2: Convert to fraction form
    5,216.40/7,816.50 = 3,365.96/x
  3. Step 3: Cross multiply
    5,216.40x = 7,816.50 × 3,365.96
  4. Step 4: Simplify right side
    5,216.40x = 26,309,987.26
  5. Step 5: Solve for x
    x = 26,309,987.26/5,216.40
  6. Step 6: Final answer
    x = 5,043.71

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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.